Answer: The formation of a new cell from the old cell is called cell division.
Explanation:
There are two types of cell division.
A cell division that has the same number of chromosomes as the parent cell is called mitotic cell division. The purpose of mitosis is to increase the number of cells to form a tissue.
The increase in the number of cells helps to make the tissue and repair the damaged cell.
Hence, the correct answer is the repair of damaged cells.
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3. Describe the relationship between systems, tissues, organs, and cells.
Answer:
They have a never ending relationship.(It ends on the death of the living being).
Explanation:
How they are inter-related:
The smallest structural and operational unit in the human body are cells.
A TISSUE forms when a number of specialized cells work together to complete a specific task.
The ORGANS are made up of tissues that work together to provide a specific purpose in the body.
Now, an ORGAN SYSTEM is created when a collection of organs in the human body carry out the life process.
A pea plant purebred to produce round yellow peas is crossed with a plant purebred to produce wrinkled green peas. Round pea shape is dominant to wrinkled, and yellow pea color is dominant to green. Members of the resulting F1 generation are then crossed to produce an F2 generation, as shown in the figure. On average, what fraction of the F2 generation will display both dominant traits?
(ANSWER ONLY IF YOU ARE SURE PLEASE NO GUESSING THANK YOU)
A)
4 out of 16 plants will display both dominant traits.
B)
9 out of 16 plants will display both dominant traits.
C)
16 out of 16 plants will display both dominant traits.
D)
12 out of 16 plants will display both dominant traits.
The fraction of the F2 generation that will display dominant traits will be 9/16. The correct option is B.
Dihybrid crossLet us assume that pea shape is represented by A (a) while color is represented by B(b).
Purebred round yellow peas = AABB
Purebred wrinkled green peas = aabb
F1: AABB x aabb
all AaBb
F2: AaBb x AaBb
A_B_ = 9/16
A_bb = 3/16
aaB_ = 3/16
aabb = 1/16
Thus, the fraction of the F2 offspring with both dominant traits. A_B_, is 9/16.
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[OSS.01] The picture below shows the most widely accepted model of the solar system.
Earth
Sun
2010 FLVS
Which of these statements best describes a function of this model?
K
The function of this model is option A: that is it helps us to understand the details of scientific concept.
What are the 7 solar systems?There are known to be 7 planets and they all are known to revolve round the Sun, they are:
Mercury Venus Earth Mars Jupiter SaturnUranusNeptune.Note that Scientific models are tools that are often used to explain and tell the behavior of real objects or systems and also they functions or they are used in a a lot of scientific disciplines, such as physics and chemistry, etc.
Therefore, The function of this model is option A: that is it helps us to understand the details of scientific concept.
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An increase in temperature has virtually no effect on the overall rate of photosynthesis within the...
An increase in temperature has virtually no effect on the overall rate of photosynthesis within the leaves of plants.
What is photosynthesis?
Photosynthesis is the process by which green manufacture sugars from atmospheric carbon dioxide and water using the energy of sunlight.
Photosynthesis occurs in the leaves of green plants.
Enzymes are involved in the reactions of photosynthesis and these enzymes are affected by temperature.
Temperatures below or above the optimum temperature will reduce rate of photosynthesis.
In conclusion, photosynthesis occurs in the leaves of plants and is catalyzed by enzymes.
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1. Which amino acids changed between the three species? List four of them below, using the number of the amino acid.
Example: Amino acid 189 changed from valine to isoleucine in a warm adapted species.
1) _______________________________________________________________
2) _______________________________________________________________
3) _______________________________________________________________
4) _______________________________________________________________
2. What were the changes in the chemical properties of the R-groups? Use the amino-acid chart to in the Powerpoint file to answer this question.
Example: Both valine and isoleucine are nonpolar.
1) _______________________________________________________________
2) _______________________________________________________________
3) _______________________________________________________________
4) _______________________________________________________________
3. How might the changes that you identified affect the protein’s structure?
Example: The change would likely have no effect. Neither valine and isoleucine would promote hydrogen bonding with water, because their R groups are nonpolar and thus hydrophobic.
1) _______________________________________________________________
2) _______________________________________________________________
3) _______________________________________________________________
4) _______________________________________________________________
4. Assuming that the mutations are adaptive, how should the changes that you identified affect the stability of the protein at low and high temperatures?
The amino acids that changed between the three species are;
The changes in the chemical properties of the R-groups are given as:
Both valine and isoleucine are nonpolar.Both glycine and alanine are nonpolar.Glutamine is an uncharged polar group and Lysine is a charged polar group.Both glutamic acid and aspartic acid are charged polar group.How might the changes that you identified affect the protein’s structure?In scenario 1 and 2, the modifications would have zero effect.
In scenario 3, the polar groups are detected on the surface of the protein, thus, it is correct to state that both glutamine and lysine are polar and the modifications will have zero effect.
With regards to scenario 4, the change will have no impact, given that both glutamic acid and aspartic acids are R groups that are negatively charged.
Assuming that the mutations are adaptive, how should the changes that you identified affect the stability of the protein at low and high temperatures?These mutations are critical for protein's three-dimensional structure stability.
For example, due to the proteins from thermophilic creatures, they are able to live at high temperatures and survive at low temperatures.
This is because they frequently have a large network of salt bridges on their protein surface, which offers thermo-stability to these proteins and prevents denaturation owing to the high temperatures in the environment.
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The liquid portion of the blood that consists of about 55% of the total volume of blood is referred to as ________.
stem cells
leukocytes
plasma
platelets
What is TRUE about the North and South Poles? Select all that apply.
The poles experience all four seasons.
The poles never get any direct sunlight.
The poles have daily equal amounts of sunlight and darkness.
They both get the same amount of sunlight.
The poles never get any direct sunlight.
They both get the same amount of sunlight.
Because they receive no direct sunshine, the Arctic (North Pole) and Antarctic (South Pole) are both chilly. Even at the height of summer, the Sun is low on the horizon. The Sun doesn't rise at all for several months during the winter since it is so deep below the horizon hence poles don't have equal amounts of sunlight and darkness.The poles receive less energy and heat from the sun because of the tilt of the earth and its orbit around the sun. There are just two polar seasons as a result: summer and winter.The tilt of the Earth's axis causes the Poles to experience around six months of day and six months of night. Due to this tilt, each Pole spends roughly six months angled both toward and away from the Sun. The North Pole experiences six months of nonstop daylight when it is inclined toward the Sun.In the winter, the Sun sets for extended periods of time since it is so deep below the horizon. Therefore, the days are chilly and dark, much like the nights. The South Pole and North Pole receive the same amount of sunshine despite being "polar opposites."learn more about poles here: https://brainly.com/question/1776073
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Answer:
B - The poles never get any direct sunlight. D - They both get the same amount of sunlight.
Explanation:
Hope this helps
PLS HELP WILL GIVE 50 PONITS+ MARK BRAINLYEST IF DO What has developed as a result of population growth around Cape Canaveral due to the space program?
Fewer stop lights
New homes
More orange groves
Outbreak of disease
SUBJECT: sciences
New homes has developed as a result of population growth around Cape Canaveral due to the space program.
What is population growth?The rise in the number of people on Earth is referred to as population growth. The majority of human history saw a relatively steady population size. Energy, food, water, and medical care, however, became more accessible and dependable as a result of innovation and industrialization.The average human lifetime has gradually increased since 1950 as a result of significant breakthroughs in public health, nutrition, personal hygiene, and medicine, which has resulted in an unprecedented rise in global population.The population is one of the crucial elements that balances the ecosystem.It should be in harmony with available resources and methods.A balanced population will make it easier to meet all of the needs and demands of the populace, helping to protect the nation's environment.Learn more about population growth here:
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During an allergic response to a bee sting or pollen, which of the following hormone is often released?
a) PTH
b) prostlagin
c) GH
d) thyroxine
When a person has been stung by a bee, the body releases the hormone prostaglandin into the body. Option B
What is a bee sting?A bee sting is that painful feeling that occurs when you have an encounter with a bee. This is the result of the release of a chemical called melittin by the bee into your body.
When a person has been stung by a bee, the body releases the hormone prostaglandin into the body.
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two atoms are isotopes of the element. which of the following should be the same for these two atoms?
Answer:
An isotopes are atoms located in the same spot on the periodic table. They are considered the same element, but they differ in the number neutrons in their nuclei. They have the same location on the periodic table, atomic number, number of protons, and number of electrons.
If you observed that the Sun did not set during an entire 24-hour period of time during the summer months of June, July, and August, where are you most likely located?
South Pole
a location in the mid-latitudes
North Pole
near the Equator
The correct option is (c). We are supposed to be located in the north pole. This is due to Arctic circle phenomenon.
What is Arctic circle phenomenon?
Arctic circle phenomenon means that the sun does not set above this latitude during the summer months. Arctic circle is an imaginary line. North pole of the Arctic circle faces the periods of constant sunshine mainly during the summer months of june, july and august. This occurs due to the fact that Earth is tilted at its axis by 23 degress and during its rotation in summer months it's North pole gets aligned towards our star. For example, northmost parts of Norway.
That's why the Sun did not set during an entire 24 hour period of time during summer months of june,july and august.
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organism that must get energy from their environment are classified as?
Answer:
Heterotroph
Explanation:
Hi, According to what I understand, the term is heterotroph, not hetrotrop [Tropism is concerned with how organisms react to a certain stimulus]
The word "heterotrophy" refers to organisms that do not synthesis their food or carbohydrates in the presence of photosynthetic pigment using CO2, water, or solar energy. With the exception of Euglena, they cannot synthesis their food or carbohydrates (it is unicellular and contains photosynthetic pigment). Carnivores, herbivores, etc. are heterotrophs.
What would the genotype of the parents need to be to produce a child that has a 50% chance of being born homozygous recessive and a 50% of being born heterozygous for Huntington’s disease? An empty Punnett square is provided to show your work
One of the parents must be heterozygous while the other must be homzygous.
Huntington diseaseHuntington's disease is an autosomal dominant disease. In other words, only one allele (dominant) is required for the disease to manifest.
In order to produce a child with a 50% chance of being homzygous for the disease, one of the parents must be heterozygous for the disease, while the other must be homzygous.
Assuming the allele for the disease is A(a).
AA x Aa
AA Aa AA Aa
Probability of AA = 2/4 or 50%
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What is the Linnaean system of classification? Why do scientists classify animals?
Answer:
-Linnaean Classification System: Classification of the Human Species.
-Biological scientists have worked to classify earth's organisms in a manner that would help us understand how both the present and the extinct species relate to each other.
how does the temperature of water change if you heat it after it has already reached the boiling point?
There are a number of substances that the cell can use for energy in addition to carbohydrates. Proteins can be hydrolyzed to (1) ____________________ and then have the nitrogen group removed in a process called ____________________. Depending on the type of molecule in the (1) they will feed into either the end of glycolysis as ____________________ or feed into the ____________________. Lipids and fats are broken down into (2) ____________________. The b-oxidation of the molecules in (2) ultimately produces ____________________, which then enters at the beginning of ____________________ whose ultimate metabolic waste products are ______________________________ and ______________________________.
From the protein hydrolysis cycle, the missing words are;
Amino AcidDeaminationNon-essential Amino AcidsFree fatty acids and monoglyceridesacetyl-CoA moleculesFADH2, NADH and water.What is protein hydrolysis?
Protein hydrolysis is a complicated process that comprises a series of enzymatic processes, each with a unique kinetic response for numerous substrates.
Two enzymes that aid the digestion of protein in the body are;
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Why do you think it is beneficial for a pathogen to make its host very sick without killing the host?
It is beneficial for a pathogen to make its host very sick without killing the host simply because it can always continue to take over the hosts body.
What are pathogens?Pathogens are microscropic organisms which causes diseases to plants and animals
Some few group of pathogenic organisms which are highly infectious are:
BacteriaVirusFungiSo therefore, it is beneficial for a pathogen to make its host very sick without killing the host simply because it can always continue to take over the hosts body.
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which of the following enzymes is used to make radioactively labeled DNA?
Help me on this please
Answer:
A
Explanation:
Is a process by by which two or more different strains combine to form a new subtype.
Show the cross between a heterozygous plant and a homozygous recessive plants
Answer:
Okay so firstly you'll have to make the Punette square for this.
so if you make a cross you'll get 50 percent heterozygous traits and 50 percent recessive traits
Other things being equal, what is a potential disadvantage of an enzyme having a very high affinity for its substrate?.
Since the ES complex would be in a "energy trough," the activation energy for the transition state would be quite high.
What is enzyme?Tight enzyme substrate binding will lower the reaction's forward rate constant.A forward reaction's activation energy will increase when an enzyme's affinity for its substrate is high.Because the enzyme-substrate complex will be located in a deep energy well, it will be more stable.In contrast to the situation where the substrate-enzyme binding is weaker, a tight binding of the substrate to the enzyme will alter the amounts of free substrate and free enzyme. This little modification won't have much of an impact on the reaction kinetics because the substrate concentration is often higher than the enzyme concentration.It is unlikely that tight binding would result in the active site being altered. Since the enzyme is significantly bigger than the substrate, it is unlikely that it will change shape.Learn more about enzyme here:
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2 points
Name all of the possible human blood types using both the ABO and Rh blood groups together.
20 POINTS - AP Biology - Sexually reproducing organisms have diverse offspring but use large quantities of time and resources in the process....
Write a description of the chromosomes within the cells of a diploid plant with 8 chromosomes per diploid cell at the end of each phase of meiosis by filling out the table below. Recognize that cytokinesis is completed by the end of telophase and that two cells will be present for every cell that enters telophase.
A cell with 8 chromosomes will enter cytokinesis to produce two daughter cells with 8 chromosomes each, and before that, it will be one single cell with 16 chromosomes in telophase.
What is cytokinesis?Cytokinesis is the process of division of cytoplasm in eukaryotic cells during mitosis or meiosis.
A diploid cell in telophase has two complete pair sets of homologous chromosomes that separate during this phase.
In conclusion, this cell enters cytokinesis to produce two cells having 8 chromosomes each, and before that it is one cell with 16 chromosomes.
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What is/are the main purpose(s) of mitosis? (select all that apply)
Control metabolism
Synthesize energy
Generate genetic diversity
Organism growth
Tissue repair and maintenance
Create gametes
Answer:
Synthesize energy
Tissue repair and maintenance
Explanation:
Mitosis is a stage in the cell cycle where the produced DNA is separated and two new cells are generated with the equal number of DNA and type of chromosomes as the parent nucleus.
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Answer: The main purposes of mitosis are Organism growth and tissue repair and maintenance.
Explanation: MITOSIS is the step of cell division in cell cycle. Cell cycle contains G1 S G2 and M phase. During mitosis a cell replicates its chromosome and segregates them to produce two identical daughter nuclei, which after undergoing cytokinesis produces two identical daughter cells. mitosis is often called as equational division.
Mitosis do not control metabolism nor it synthesize energy.
MITOSIS produces two identical daughter cells which are identical to their parents, so it cannot cause genetic diversity.
mitosis helps organism to grow in size and tissue repair and maintenance by producing new cells identical to each other.
gametes are not produced by mitosis they are produced by meiosis that is reductional division.
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DESCRIBE the importance of microorganisms (including
bacteria) and what would happen if all microorganisms would suddenly disappear from the pond?
Answer:
corals which depend on microscopic agale and a surprisingly diverse collection of bacteria would become week and vulnerable. there mighty reefs would Bleach and edore and all life they support with suffer humans oddly would be fine
Question 10
Sensitive to the amount of light in our environment and releases melatonin.
O Pineal body
O Cerebellum
O Hypothalmus
O Corpus callosum
O Hippocampus
Answer: A. The Pineal body
Explanation: The pineal gland is responsible for releasing melatonin in response to a dark environment.
B. The cerebellum is largely responsible for motor functions such as walking and balance.
C. The hypothalamus is largely responsible for maintaining homeostasis within the body through the control of the autonomic nervous system and various hormones.
D. The corpus callosum is the "bridge" that helps the two hemispheres of the brain communicate with one another.
E. The hippocampus is largely responsible for learning and memory.
Hypothesis: If cells are viewed under higher magnification, then more cell organelles will be seen.
The hypothesis is false. Higher magnifications only increase the details of organelles, not increase the number.
Microscope's MagnificationAt lower magnifications, cells on slides are brought into focus and the organelles are seen but not in detail.
At higher magnifications, the organelles of cells appear bigger and can be studied in more detail compared to at lower magnifications.
Thus, higher magnifications do not increase the number of organelles that will be seen, but their details.
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1) Accumulation of excretory wastes in human blood and its excretion by the
kidneys leads to ...
Organs in the excretory system rid the body of metabolic waste products and pollutants. This includes the elimination of urea from circulation and other bodily wastes in humans. While solid wastes are eliminated from the large intestine, urea elimination takes place in the kidneys.
How do the kidneys work?The body transforms nutrients from meals into energy. Waste products are left in the blood and bowel after the body has utilized all the required nutrients from meals.The waste products are expelled with the aid of the urinary system and kidneys. They also maintain the proper balance of water and substances like potassium and salt. The body's hazardous waste products from food metabolism are filtered by the kidneys and removed. If these waste products accumulate in the body, it may lead to issues. The body's fluid and acid-base balance are both regulated by the kidneys.The kidneys are two bean-shaped organs. They are located below the ribs toward the middle of the back. Through microscopic filtering organs called nephrons, the kidneys eliminate waste substances from the blood called urea. Each kidney has roughly a million nephrons. A glomerulus, a ball of tiny blood capillaries, and a renal tubule, a tiny tube, make up each nephron. The glomerulus receives blood and filters it there. The water and other materials are added to or subtracted from the filtered fluid as it travels through the tubule. Urine is the liquid that is left over.After the urine is created, it flows through the kidney's nephrons and down its renal tubules. The renal pelvis receives urine from the calyces, which then directs it into the ureter. It then descends and enters the bladder from here.The kidneys perform a number of essential tasks, including filtering waste from the blood and assisting with the body's fluid and other material balance.To learn more about kidneys, refer to:
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Hey y’all a gal needs help
Answer:
energy-rich molecule: ATP
use: it is hydrolyzed by cells to produce energy. Under standard conditions the removal of a phosphate group from ATP to produce ADP + Pi yields 30.6KJmol‐¹.
organelle: mitochondria