a. Oxidation phosphorylation (also known as the electron transport chain) is responsible for most of the ATP synthesis during cellular respiration.
__ is a type of male singing voice resulting from castrating male singers before puberty.
A castrato is a type of classical male singing voice equivalent.
What is the name of the male vocal type that has taken the place of castrato?The castrati, which were originally meant for use in the church, were popular in operas in the 17th and 18th century. Fortunately, castrato singers are no longer in demand, and their roles are being filled by countertenors and mezzo-sopranos (often in trouser roles).
A castrato (plural: castrati) is a classical male singing voice similar to a soprano, mezzo-soprano, or contralto. The voice is generated by castration of the vocalist before puberty, or it happens in someone who never achieves sexual maturation owing to an endocrinological disorder.
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Review Recent reconstructions of evolutionary history are often dependent on assigning divergence in terms of changes in amino acid or nucleotide sequences. For example, a comparison of cytochrome c shows 10 amino acid differences between humans and dogs, 24 differences between humans and moths and 38 differences between humans and yeast. Such data provide no information as to the absolute times of divergence for humans, dogs, moths, and yeast.
What problems might one encounter in such a calibration? Select the four correct answers. a. uncertainty of the fossil record b. different population structures occur among different taxa c. different mutation rates occur among different taxa d. the same mutation rates occur among different taxa e. the same population structures occur among different taxa f. amino acid and nucleotide substitutions can occur linearly in the time g. uncertainty of the times of major paleontological events
The fossil record's encounter Problems with such a calibration could include: b. different population structures among various taxa; c. different mutation rates across different taxa; d. the same mutation rates among different taxa.
Why is having a comprehensive fossil record important?The existence of extinct species is attested by fossils, demonstrating that various animals have existed on Earth at various times throughout the planet's history. They can also assist researchers in retracing the evolutionary history of living species.
What constitutes the primary issue with the fossil record?Many early forms of life were soft-bodied, leaving little fossils behind, hence there are gaps in the fossil record. Geological activity might have erased any remnants that existed.
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Luna’s little son has three raised, circular rashes on his legs. She takes him to the pediatrician, who examines the boy. After asking questions, he gets out a special light and tells Luna’s son that he is going to see if the skin lights up. When it does, the pediatrician tells Luna that he will be treating her son for ringworm. Luna is worried and does not like to give her son medication unless she knows that it is absolutely necessary. Which statement would the pediatrician MOST likely use to persuade Luna to use the anti-fungal prescription on her son?
A.
Ringworm infections can be deadly if not treated.
B.
The only way to confirm ringworm is using this light.
C.
Results from skin scrapings of ringworm take weeks receive.
D.
If it is something else, like hantavirus or anthrax, this will kill it as well.
Which of the following statements is/are true relative to laboratory glassware. (Mark all correct responses)
Some laboratory glassware, such as graduated cylinders and volumetric flasks, are relatively precise and are suitable for accurately measuring volumes in most scientific experiments
Beakers and Erlenmeyer flasks are very handy in the laboratory because they allow for very precise measurement of fluid volumes
One should always use a device which has a total volume close to the volume being measured, for instance, a 10-ml pipette would be suitable for measuring a volume of 8.3 ml.
A fluid volume in a pipette should be read from the bottom of the meniscus, not the top of the meniscus.
The following statements which are true relative to laboratory glassware include the following below:
Some laboratory glassware, such as graduated cylinders and volumetric flasks, are relatively precise and are suitable for accurately measuring volumes in most scientific experiments.One should always use a device which has a total volume close to the volume being measured, for instance, a 10-ml pipette would be suitable for measuring a volume of 8.3 ml.A fluid volume in a pipette should be read from the bottom of the meniscus, not the top of the meniscus.What is a Erlenmeyer flask?This is also known as a conical flask or titration flask and it is a type of laboratory flask which is chiefly used for transport, storage, and mixing. It has a tapered shape which makes it unsuitable for a measuring instrument.
The fluid volume in a pipette should be read from the bottom of the meniscus, not the top of the meniscus so as to avoid error due to parallax which makes the measurement inaccurate.
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Which of the following is not true regarding double stranded breaks (DSB)?
A. They usually arise due to exposure to UV light.
B. DSB repair is handled by the same factors involved in homologous recombination during meiosis
C. Mutations in genes involved in DSB repair can lead to cancer
D. DSB repair pathways were likely essential before genome sizes could increase in an organism
They usually arise due to exposure to UV light is not true regarding double stranded breaks (DSB).
DNA double-strand breaks (DSBs) can occur as a result of endogenous processes like DNA replication and repair as well as exogenous agents like radiation and certain chemicals.
Reactive oxygen species are byproducts of cellular metabolism that can damage DNA bases and lead to lesions that can obstruct the replication process. Double-strand breaks (DSBs) in the chromosome are the outcome.
The MRN complex (MRE11-RAD50-NBS1 [MRE11: meiotic recombinase 11, NBS1: nijmegan breakage syndrome1 protein]) recognises double-stranded DNA breaks (DSBs), and its interaction initiates a signalling cascade that causes the transcription of numerous genes involved in DNA repair.
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4. Plan an experiment that neurobiologists could use to show that an action potential travels faster along a myelinated axon than along a nonmyelinated axon.
In the experiment, two neurons are obtained; one is a myelinated axon, and the other is a nonmyelinated axon.
An action potential is induced at the dendritic end of both neurons, and the time taken for the action potential to reach the end of the neuro is recorded.
What are myelinated and nonmyelinated axons?Myelinated axons are those that have a multilayer of lipids and proteins called a myelin sheath covering them. Unmyelinated axons are those that lack a myelin coating around them.
Axons are portions of a neuron that carries nerve impulses or action potentials away from the cell body.
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Which way will runoff water flow from your property? Where will the runoff water
collect and flow?
Generally, the way in which runoff water will flow from your property is to the area with lower elevation and collect at the lowest point and the runoff water will collect and flow in rivers etc.
What is Runoff water?This can be described as the part of the water cycle that flows over land as surface water instead of being absorbed into groundwater as a result of it no longer sufficiently rapidly infiltrating the soil.
Runoff water will flow from your property is to the area with lower elevation and collect at the lowest point and the runoff water will collect and flow in river which is why it is an important process of the water cycle in the ecosystem.
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If a scientists data are contaminated, what is the best course of action
Re-analyzing the samples and producing a fresh dataset is the recommended line of action if data is contaminated. It would take a lot of time and might cost more money to do this.
What happens if data is contaminated?For sensitive data center equipment, contamination is a constant danger. Impaired power efficiency to catastrophic equipment failure is only one of its possible repercussions.
The standard deviation among replicates can be examined as an alternative if re-analysis is not possible. The contaminated sample can be easily removed and treated as an outlier if just one replicate is contaminated and the other two are clean. The use of replicate samples is crucial, however, they cannot be used to evaluate a scientific theory's veracity.
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Starting with the European settlers, humans have introduced earthworms from Europe and Asia into North American forests. These
introductions continue through the transport of soil that contains non-native earthworms, such as during construction and through the
release of non-native earthworms used for fishing. The effects of non-native earthworms are especially large in forests that did not have
any native earthworms. For example, forests of the Great Lakes region did not previously have earthworms until humans introduced them.
When non-native earthworms are introduced, the thick layer of leaves, known as leaf litter, covering the ground disappears quickly,
thereby altering biogeochemical cycles.
What is a possible negative consequence of introducing the non-native earthworms to forests in the Great Lake regions?
A. The earthworms reduce the resources available to other animals that eat dead plant matter.
B.The earthworm decreases the
energy flow from one tropic level to the next.
C. The earthworms provide an additional food source for primary consumers.
D. The earthworms burrow,
which reduces the nutrients, flow of air, and water underground.
Answer: B .The earthworm decreases the
energy flow from one tropic level to the next. Because that makes the most sense.
Explanation:
Dear Teen World I feel so ugly. My face is covered in spots all the time, it's sore and red. I think it is acne but why has it happened so suddenly? Will it go away? Robert, age 14 Please help
It is to be noted that the sudden development of Acne during the teenage year is very normal. This is due to a growth stage called Puberty.
Why does the above condition occur?When hormones become active throughout puberty, oil glands are stimulated. That is why acne is more common in teenagers. Because acne is partially hereditary, if other members in your family had (or have) acne, you may be more likely to get it as well.
Teens get acne as a result of hormonal changes associated with puberty. If your parents experienced acne as teenagers, chances are you will as well. Acne, for the most part, disappears by the time a person is out of their teens.
The best approach to deal with this is to consult a dermatologist and wash your face and hands often.
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Answer:
Points
Explanation:
Face rashes,: HOW IT OCCURS.
POINTS:
Lack of bathing: People who do not bath regularly attract skin rashes on their faces. such rashes like Pimples ect. Bathing regularly can also protect your body from any face sports and also skin rashes.Malnutrition: Lack of balance diet in food. foods like fruit, and vegetables also protect your body from skin rashes it also protects your body from disease, which is found in the white blood cell called Phagocytes.Bleaching: changing pomade all the time bring rashes on your skin and also your face. Using one particular pomade all the time prevents skin rashes on the face and on the body.what is the chemical formula of water
Answer:h2o?
Explanation:
Answer:
H2O is the chemical formula of Water
according to.the graph above, all 4 sources inicate that the average global tempature has incresed by approximstly ___ since measured began in 1880. A: 0.5°C B: 0.7°C C: 1.2°C D: 1.5°C
According to the graph above, all 4 sources indicate that the average global temperature has increased by approximately option A. 0.5°C since measured began in 1880.
What is global temperature?Global temperature is the average temperature at Earth's surface over the course of a year. The global temperature record indicates the fluctuations of the temperature of the atmosphere and the oceans across various time range. There are various estimates of temperatures since the end of the Pleistocene glaciation, particularly during the current Holocene epoch.
Therefore, the correct answer is as given above
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The nitrogen that is released into the Gulf of Mexico through agricultural runoff is used by the phytoplankton and algae to build which of the following types of macromolecules?
The nitrogen that is released into the Gulf of Mexico through agricultural runoff is used by the phytoplankton and algae to build biological molecules.
What do you mean by biological molecules?A biomolecule or biological molecule is a loosely used term for molecules present in organisms that are essential to one or more typically biological processes, such as cell division, morphogenesis, or development.
Biomolecules are vital for life as it aids organisms to grow, sustain, and reproduce. They are involved in building organisms from single cells to complex living beings like humans, by interacting with each other.
There are four major classes of biological macromolecules (carbohydrates, lipids, proteins, and nucleic acids); each is an important cell component and performs a wide array of functions.
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Which of the following is not a part of the mitotic spindle apparatus in plants? a. centrosome b. centriole c. tubulin protein d. kinetochore microtubules e. astral microtubules
The plant mitotic spindle system does not include the centriole.
What are the three main components of a mitotic spindle?A unique component required for chromosomal segregation (mitosis) during cell division is the mitotic spindle. There are three components to it: chromosomes, two asters, and a spindle region. Microtubules, which are composed of the and -tubulin subunits, give the mitotic spindle its general shape.
The spindle apparatus includes which of the following?Condensed chromosomes, kinesin and dynein molecular motors, related proteins, spindle microtubules, and any centrosomes or asters that may be present at the spindle poles depending on the cell type are all included in the cellular spindle machinery.
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LIMITED TIME!!!!!! HELP!!!!!!!!
In the Galapagos Islands, species of tortoises have been found on
different islands that cannot interbreed. They came from the same
tortoise ancestor, but over time they became separate species
because they were on different islands. Today there are a total of 9
different Galapagos tortoise species. Which type of isolation is
this?
Select one:
A, episodic isolation
B, geographic isolation
C, temporal isolation
D, behavioral isolation
Answer: B
Explanation:
The Galapagos tortoises became separate species because they were on different islands. This is an example of geographic isolation, where the separation of physical barriers (in this case, different islands) prevents gene flow and leads to the divergence of populations and the eventual formation of new species
what happens to carbohydates after ingestion and assimilation
During digestion, starches & sugars are broken down into single units of glucose, fructose, or galactose, which are then absorbed into the blood stream & transported to be used as energy throughout the body.
What are the seven digestion steps?
Ingestion, propulsion, manual digestion, digestion, absorption, & faeces are the digestive processes.
What is digestion and what does it do?
Food is broken down by the digestive system into nutrients like proteins, lipids, and carbs. The body can utilise them for energy, growth, and repair after they are absorbed into the bloodstream.
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Which technique can be used to replace an endogenous gene with one constructed in vitro? O homologous recombination O non-homologous end joining O gene-disruption technology O illegitimate Submit Request Answer
Homologous recombination can be used to replace an endogenous gene with one constructed in vitro.
Homologous recombination is the genetic outcome of a physical exchange between two aligned identical DNA sections on two distinct chromosomes or on the same chromosome (HR).Most HR occurs close to the region of exchange between homologous chromosomes that have unique markers.
Any gene that consistently expresses under all experimental and developmental settings, such as genes related to metabolism, is referred to as an endogenous reference gene (HKG). This gene is also referred to as a "housekeeping gene."
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Dr. Smith performed an appendectomy on Douglas Doe. This is reported from the ______ Body System character of the ICD-10-PCS code
This is reported from the Digestive System body system character of the ICD-10-PCS code. The procedure code for an appendectomy is found in the Digestive System body system. Specifically, the procedure codes for appendectomy are located in the 0-EB series of the ICD-10-PCS.
The digestive system is a collection of organs that collaborate to break down food into basic nutrients and energy to nourish the body as a whole. The mouth, oesophagus, stomach, small and large intestines, the rectum, and the anus are all included. Additionally, the liver, pancreas, and gallbladder are involved since they are crucial to the digestion process. Food is first chewed and combined with saliva in the mouth before moving via the oesophagus and into the stomach, where it is further broken down. After that, it proceeds into the large intestine, where water and salts are absorbed and any leftover waste is removed thru the rectum and anus. The small intestine is where the bulk of nutritional absorption occurs.
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Thank you to everyone! :)
Answer:
Your Welcome
Explanation:
Your Welcome!!!!! everyone here is always here to help when you really need it.
The products of photosynthesis serve as…?
a the reactants for cellular respiration
b the products for cellular respiration
c the source of carbon dioxide in our atmosphere
d none of the above
The products of photosynthesis serve as food for plant (oxygen and glucose).
What is photosynthesis?Photosynthesis the method through which green plants and some other creatures produce nutrients from carbon dioxide and water using sunshine. In most cases, the green pigment chlorophyll is used in photosynthesis in plants, which produces oxygen as a byproduct.
It is a process used by plants and other living things to change light energy into chemical energy that can then be released to power the organism's activities through cellular respiration.
The fossil fuels (coal, oil, and gas) that drive modern society today were created by plants using energy from photosynthesis carried out millions of years ago.
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The products of photosynthesis serve as
a. The reactants for cellular respiration.What is photosynthesis?Photosynthesis is the process by which plants transform sunlight, water, and carbon dioxide into oxygen and sugar-based energy.
The majority of the oxygen in the atmosphere is also created by photosynthesis. The vast majority of species would disappear, there would soon be no food or other organic materials on Earth, and there would finally be very little gaseous oxygen left in the atmosphere.
Oxygen and sugar, byproducts of photosynthesis, are the reactants of cellular respiration. Cells of both plants and animals engage in cellular respiration. During photosynthesis, plants use sunlight to transform solar energy into sugar production, ATP production, and oxygen release.
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If you count your heart beating 135 times in one minute, what is your approximate heart rate?
Answer:
135 bpm (bpm means beats per minute but write "bpm" not the whole thing since thats the proper way)
Explanation:
You feel your heart and count how many times it beats for one minute and whatever that number is, is the approximate heart rate, or bpm
The diagram below depicts a karyotype of an individual human. Which of the following statements concerning the karyotype in the diagram is true?
If the diagram below depicts a karyotype of an individual human, then statement c. diagram illustrates the results of nondisjunction during gamete formation concerning the karyotype in the diagram is true.
What is a genetic karyotype?A genetic karyotype is a chromosome arrangement of the chromosomes in a cell, which is used to depict a picture of a person's chromosomes and thus order them into size and form.
Therefore, with this data, we can see that a genetic karyotype is used to show the chromosomes fo an individual which is very useful in the identification of diseases and genetic conditions.
Complete question:
The diagram below depicts a karyotype of an individual human. Which of the following statements concerning the karyotype in the diagram is true?
The diagram indicates an individual with an extra sex chromosome
The diagram illustrates a genetic condition found in females.
The diagram illustrates the results of nondisjunction during gamete formation.
The diagram indicates a mechanism for increasing genetic diversity in subsequent generations.
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Which of the following does not happen as the temperature of a gas
increases?
a. Molecules move faster.
b. Molecules have more collisions.
c. Kinetic energy increases.
d. Kinetic energy decreases.
A rise in overall kinetic energy, the acceleration of the speed of the individual particles.
What is the equation for one gas molecule's kinetic energy?- The formula for kinetic energy is K. E. = 32nRT, where n is the number of moles, T denotes the temperature, and R denotes the universal gas constant, R=1.9872calK1mol1. - As a result, the kinetic energy of an ideal gas mole in terms of calories is around three times its absolute temperature.
What does a molecule's kinetic energy look like?Kinetic energy is the power that a moving item possesses. The Kinetic Molecular Theory explains how molecules interact and how much energy they have. Three hypotheses regarding matter form the basis of this hypothesis. Small particles make up all matter (atoms, molecules, and ions).
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This diagram is a model that summarizes the process of photosynthesis.
Which feature of the model represents a transfer of energy?
Answer:
d is the correct answer
Explanation:
Which of the following reactions would you predict could be coupled to ATP hydrolysis to ADP + Pi?
Remember the hydrolysis of ATP has a ∆G = -7.3 kcal/mol
Select one:
a. creatine phosphate + H2O -> creatine + Pi, ∆G -10.3 kcal/mol
b. phosphoenolpyruvate + H2O -> pyruvate + Pi, ∆G -14.8 kcal/mol
c. glucose 6-phosphate + H2O -> glucose + Pi, ∆G -3.3 kcal/mol
d. glutamic acid + NH3 -> glutamine, ∆G +3.4 kcal/mol
e. glucose 1-phosphate + H2O -> glucose + Pi, ∆G -5.0 kcal/mol
d. glutamic acid + NH3 -> glutamine, ∆G +3.4 kcal/mol. ADP (adenosine diphosphate) is produced spontaneously by the hydrolysis of ATP (adenosine triphosphate) by organisms.
ATP Synthesis and Hydrolysis
An endergonic process is phosphorylation, or the condensation of phosphate groups onto AMP. Dephosphorylation, also known as the hydrolysis of one or two phosphate groups from ATP, on the other hand, is an exergonic process. A thermodynamically unfavourable reaction one that cannot proceed without the addition of energy is linked with a reaction that is thermodynamically favourable, has a negative delta G, or occurs spontaneously. The removal of a phosphate from ADP to create adenosine monophosphate also releases energy.
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LIMITED TIME, PLEASE HELP URGENT!!!!!!!!!!
According to the biological species concept, what defines a species?
Select one:
The amount of physical similarities that a group of organisms have
in common
Whether two organisms can interbreed and produce healthy,
fertile offspring
The number of similarities two organisms have in their DNA
Whether the fossil record shows a similar lineage of ancestry
between organisms
According to the biological species concept, a species is defined as a group of organisms that can interbreed and produce healthy, fertile offspring.
Answer:
The biological species concept defines a species as members of populations that actually or potentially interbreed in nature, not according to similarity of appearance. Although appearance is helpful in identifying species, it does not define species. Appearance isn’t everything Organisms may appear to be alike and be different species.
Explanation:
Which of the following is scientific concern related to creating genetically modified crops? O Herbicide resistance may spread to weedy species.
O Beneficial insects may be harmed by eating pest species.
O The monetary costs of growing genetically modified plants are significantly greater than those of traditional breeding techniques.
O Their adaptive advantages would allow them to overpower natural ecosystems
Herbicide resistance may spread to weedy species and beneficial insects may be harmed by eating pest species are scientific concerns related to creating genetically modified crops(GM crops).
Herbicide resistance is a concern because when crops are genetically modified to be resistant to a certain herbicide, it can lead to the development of herbicide-resistant weeds.
These weeds can then spread and become difficult to control, leading to increased use of herbicides and potentially harming the environment. Another concern is that beneficial insects, such as pollinators, may be harmed if they consume pest species that have been genetically modified to be toxic to those pests.
These unintended consequences can have negative impacts on the ecosystem and the food supply. The other two options are not scientific concern but an economic concern of the GM crops.
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a) If Earth, including its atmosphere, is
defined as the system, what are the
surroundings?
b) How does this system absorb energy from its surroundings?
c) How does this system release energy to its surroundings?
GIVING BRAINLIEST
If Earth, including its atmosphere, is defined as the system, then the surroundings are all space close to the biosphere. This system (biosphere) absorbs energy from its surroundings from solar radiation. The biosphere system releases energy to its surroundings by convection, conduction, and radiation.
What is the biosphere?The biosphere is the whole ecosystem that absorbs energy in the form of radiation from the sun and it is used to carry out all activities on the earth's planet.
Therefore, with this data, we can see that the biosphere obtains energy from solar radiation and it spread into life forms through convection and conduction.
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The tree limbs were tossing and turning in the wind. The strong force of the wind was also making houses shake and causing
dogs to howl in fear.
it was making it difficult for Quincy to fall asleep. He just stared up at the ceiling all night.
Which linking word or phrase best fits in the blank?
OA. Before this
OB. Finally
OC. Besides
OD. In fact
The word that can be able to fill in the blank is Besides.
What is a linking word?We know that the use of a linking word is that the linking word would help us to be able to connec two or more sentences or phrases. We have to note that the word that is chose to link must be such that it does not make the string of words utterly meansingless.
In this case, we can see that what we have are actually two independent sentences and that we can be able to link them so as to be able to get the actual meaning that is conveyed.
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What physical force is best resisted by having multiple layers of oral squamous epithelium? A. Stretching B. Tension C. Abrasion D. Compression
The best defense against physical impact is having a thick layer of mouth squamous epithelium. Abrasion is indeed a physical method that involves rubbing, scrubbing, and scraping to remove microscopic rock particles through friction.
How does an abrasion appear?Abrasion is the medical name for a simple, superficial skin scratch. Examples include a scraped elbow or perhaps a rash from rubbing the skin against something abrasive like gravel, asphalt, or a shag rug.
Exactly what does a skin abrasion mean?Overview. In the wounds referred to as scrapes and abrasions, the skin has in fact been rubbed or ripped off. The majority most scrapes don't go very deep into the skin, but some can even remove many layers. The majority of scrapes do not really bleed much, but in rare occasions, they may leak a reddish fluid.
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