Evaporation is transforming from a liquid to gas.
Condensation is transformation from liquid to gas.
Decomposition is decaying or rotting.
Presipitation is water falling from atmosphere.
Fungi is plant-like organisms without chloroplast.
Rhizobium is bacteria found in legume nodules.
mmature B lymphocytes undergo clonal deletion in the bone marrow. Group of answer choices True False
True, Immature B lymphocytes undergo clonal deletion in the bone marrow.
What are immature B lymphocytes? How does it undergo clonal deletion in the bone marrow?
In the bone marrow and thymus, lymphocytes are born. The names of T cells and B cells come from the organs in which they are born. T cells form in the thymus, whereas B cells form in the bone marrow of adults or the liver of fetuses in mammals.
Most mammals' bone marrow is where immature B lymphocytes are made. The B cell will die via apoptosis, also known as a clonal deletion if it fails at any stage of the maturation process. Positive selection is used in this situation. Negative selection is also used to check the autoreactivity of B cells. These B cells will perish through clonal deletion if they have a high affinity for attaching to self-antigens. In the bone marrow, immature B cells that bind self-antigen perish because they are highly susceptible to antigen binding.
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how does precipitation helps in formation of soil
Answer: increase the degree of weathering and therefore the extent of soil development.
Explanation:
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You are studying two species of dung beetles, one of which rolls its dung balls during the day and rests at night. The other rolls its dung balls at night and rests during the day. These species will not breed because of
one of which rolls its dung balls during the day and rests at night. The other rolls its dung balls at night and rests during the day. These species will not breed because of Temporal isolation.
When two species are divided based on when they operate, it results in the phenomena of temporal isolation. The difference in their mating seasons or the time of day they are active could be the reason for this divergence. This type of isolation reduces the likelihood of interbreeding between the two species, which may eventually lead to speciation.Because two species of beetles in the provided question are active at separate times of the day and do not cross-pollinate, it can be said that these species are exhibiting a temporal form of isolation.learn more about Temporal isolation here: https://brainly.com/question/469933
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Two species of finches found on the same galápagos island but feeding on different food sources is an example of ________ speciation.
Two species of finches found on the same galápagos island but feeding on different food sources is an example of sympatric speciation.
What is speciation?Speciation is the evolutionary process that leads to reproductive isolation and eventually to the emergence of new species.
Sympatric speciation refers to the emergence of reproductive barriers in individuals of the same species that inhabit the same region, whereas allopatric speciation occurs in individuals separated by geographic barriers.
In conclusion, two species of finches found on the same galápagos island but feeding on different food sources is an example of sympatric speciation.
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All of the following statements are true for exothermic chemical reactions EXCEPT _______.
Exothermic reactions may give off heat
Exothermic reactions may give off light
Exothermic reactions may increase the temperature of the surroundings
Exothermic reactions may decrease the temperature of the surroundings
Answer:
Exothermic reactions may decrease the temperature of the surroundings.
Explanation:
Endothermic reactions take in heat from the environment, so they may decrease the temperature of the surroundings.
A part of the shoulder complex, also referred to as the breastbone, is the _____.
Answer:
sternum
Explanation:
sternum, also called breastbone, is the elongated bone in the center of the chest
Like the right atrium, the left atrium also has ______ in its auricle
Like the right atrium, the left atrium also has valve in its auricle.
What is heart?The heart is defined as the major organ of the cardiovascular system which is used by the body to pump blood through out the cardiovascular system.
The heart is made up of the following:
Left atrium,Left atrium,Right ventricle andRight ventricle.Both the left and right atrium are separated from the ventricle by the valves which helps to prevent the back flow of blood.
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What is the Universal Genetic code?
A) All living things have DNA and RNA
B) All living things have the same size and shape of cells
C) The same type of cell membranes and cell walls are in both plant and animal cells
D) All DNA and RNA are contained in the nucleus of the cell
Answer:
A.
Explanation:
Every living organism needs a way to create energy and new cells, and to do that, they need something to direct that, which is where DNA and RNA come in. So therefore, all living things not only need, but have DNA and RNA.
It is that the living beings all are made up of both DNA and RNA. The correct answer is option A.
What is the full form of DNA and RNA ?It stands for deoxyribonucleic acid and ribonucleic acid.
The genetic code of the universe is universal. That is like the all of the known kind of the living organisms just use same genetic code. It shows by nearly all of the organisms which share a common kind of evolutionary history. The present genetic code is just unambiguous. Each of the codon codes is just one amino acid .
A genetic code that is shared by the diverse organisms which helps to provide important kind of evidence for common origin of the life on the Earth. That is like many of the species on the Earth today are likely just evolved from the same ancestral organism in that the genetic code is already present.
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List one factor that you imagine would limit settlement on top of living organisms. The panels hang vertically from the side of a dock. Animals such as crabs and snails live on the dock and can crawl onto the panels. The ocean can be stormy at times, and heavy rains mix freshwater into the ocean surface waters.
One factor that would limit the settlement on top of living organisms is the panels hang vertically from the side of a dock.
The factors that affect settlements can explain how an organism adapts to its environment. There can be numerous factors based on the situations that can limit the settlement of an organism in its new environment. Competition, predation, disturbances, resources, etc can affect the establishment of a species in an area.
A set of panels hanging vertically can hinder the settlement on top of living organisms. Many organisms are known to survive in the harsh stormy seas and many are known to live in places where freshwater and ocean surface water mix (estuaries). But if the place where the animal such as crabs and snails have to reach is hung vertically it might be difficult for them to establish themselves as it will be harder for them to reach and hang on to the panels.
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Use what you know about fossils to choose the correct answers from the drop-down menus to complete each
statement.
If the same organism appears on two different continents, this is evidence of
Fossils show how organisms change, or
v over time.
Fossils provide a record of animals that are
x], or no longer living.
The answer to the questions include the following:
If the same organism appears on two different continents, this is evidence of plate movement.Fossils show how organisms change, or evolve over time.Fossils provide a record of animals that are extinct or no longer living.What is a Fossil?This is defined as the remains of plants and animals which have been preserved in the earth crust. Fossils helps in the study of organisms and how they evolved from others as a result of a change in their living conditions. This happened so as to enable them survive thereby giving rise to more fit offspring.
Fossils provide a record of animals that are extinct or no longer living such as dinosaurs etc. Similar organisms being present on different continents is as a result of plate movement thereby making it the most appropriate choices.
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Natural resources, or land, can include the fertility of the land, minerals below it, and what other aspects? human resources human resources water water human capital resources
Natural resources, or land, can include the fertility of the land, minerals below it, and water.
Natural resources are those that are derived from nature and used largely unaltered. This encompasses the origins of desirable traits like those used for business and industry, aesthetic appeal, scientific curiosity, and cultural significance. Natural resources include things like stone, sand, metals, oil, coal, and natural gas. Air, sunlight, soil, and water are examples of other natural resources. Plants, fish, birds, and animals are all examples of natural resources. Food, fuel, and raw materials for the manufacture of commodities are all made with the help of natural resources.One of the most significant natural resources that emerges from forests is water.
Natural land regions benefit from the nutrients, water, oxygen, and heat provided by the soil.
The third essential resource for people, animals, plants, and all other living things in a natural environment is air.
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__________ is the neurotransmitter used to carry a message from a motor neuron to a skeletal muscle fiber.
Stubble bristles (Sb) is dominant to wildtype bristles (Sb+) in Drosophila melanogaster. In a population where there are 137 flies with wildtype bristles and 836 flies with stubble bristles, what are the allele frequencies for the Sb and Sb+ alleles (assuming the population is in Hardy-Weinberg equilibrium)? Please calculated your answers to 3 decimal places.
f(Sb)=
f(Sb+)=
If the population is in Hardy-Weinberg equilibrium, what proportion of the population would you expect to be heterozygous?
Populations in H-W equilibrium have the same allelic and genotypic frequencies generation after generation. f(Sb) = p = 0.626. f(Sb+) = q = 0.374. F(SbSb+) = 2pq = 0.468
What is Hardy-Weinberg Equilibrium?
The Hardy-Weinberg equilibrium is a theory that states that, assuming a diallelic gene,
⇒ The allelic frequencies in a locus are represented as p and q.
• The frequency of the dominant allele p(X) is p
• The frequency of the recessive allele p(x) is q
⇒ The genotypic frequencies after one generation are
• p² (Homozygous dominant genotypic frequency),
• 2pq (Heterozygous genotypic frequency),
• q² (Homozygous recessive genotypic frequency).
Allelic and genotypic frequencies remain the same through generations in a population that is in H-W equilibrium.
The addition of the allelic frequencies equals 1
p + q = 1.
The sum of genotypic frequencies equals 1
p² + 2pq + q² = 1
In the exposed example,
Sb is dominantSb+ is recessive ⇒ wild typePopulation size ⇒ 137 + 836 = 973Individuals with wildtype bristles ⇒ 137 ⇒ Sb+Sb+Individuals with stubble bristles ⇒ 836 ⇒ SbSb and SbSb+First, we will get the frequencies.
To do it, we will use the number of individuals. These values will tell us about phenotypic frequencies,
Phenotypic frequency
F(wildtype) = q² = 137/973 = 0.14F(stubble) = p² + 2pq = 836/973 = 0.86Now, we will use the frequency of the recessive phenotype to get its genotypic and allelic frequencies.
F(Sb+Sb+) = q² = 137/973 = 0.14 ⇒ Recessive Genotypic frequency
f(Sb+) = q = √0.14 = 0.374 ⇒ Recessive Allelic frequency
Now, Since this population is in H-W equilibrium, we will use q (recessive allelic frequency) to get the dominant allelic frequency and the dominant genotypic frequency. To do it, we will clear the following equation,
p + q = 1
p + 0.374 = 1
p = 1 - 0.374
p = 0.626 ⇒ Dominant Allelic frequency
F( SbSb) = p² = 0.626² = 0.392 ⇒ Dominant Genotypic frequency
Finally, we will get the heterozygous frequency. There are two options,
To susbtract the dominant genotypic frequency to the dominant phenotpic frequency,F(SbSb + SbSb+) - F(SbSb) = 0.86 - 0.392 = 0.468
To clear the following equation,p² + 2pq + q² = 1
0.392 + 2pq + 0.14 = 1
2pq = 1 - 0.392 - 0.14
2pq = 0.468
Answers:
- f(Sb) = p = 0.626 ⇒ Dominant Allelic frequency
- f(Sb+) = q = 0.374 ⇒ Recessive Allelic frequency
- F(SbSb+) = 2pq = 0.468 ⇒ Heterozygous frequency
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What amino acid sequence does the following dna nucleotide sequence specify? 3′−tacagaacggta−5′.
The amino acid sequence for the following DNA sequence is Met-Ser-Cys-His.
What is transcription and translation?
Transcription is the process of conversion of genetic information carried by the DNA into messenger RNA (mRNA).
Sense strand of DNA is the one which runs in 5’ to 3’ direction and carries the information while antisense strand runs in 3’ to 5’ direction and serves as a template.E.g.: Antisense strand 3′−TACAGAACGGTA−5′mRNA sequence 5’−ATGTCTTGCCAT−3’
Translation is the process of conversion of information carried by the mRNA into an amino acid sequence.
The genetic code is read as a sequence of 3 nucleotides together at a time and is called codon.For example: 'ATG' is a start codon coding for methionine.Here, mRNA sequence 5’−ATGTCTTGCCAT−3’
Amino acid sequence: Met-Ser-Cys-His
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During dna replication, the enzyme that unwinds and separates the dna double-helical molecule is?
During DNA replication , Helices enzymes is that enzyme which unwinds and separates the double helical molecule.It remodel nucleic acid or nucleic acid protein complexes.
The DNA and RNA helices . DNA is important during DNA replication because separate double stranded DNA into single strands allowing each stands to be copied.Helices enzyme unwind the DNA at position which is called as origins where synthesis will be initiated.Then forming a structure which we called as replication fork, appeared like a fork.
This process of breaking the bond between hydrogen between the nucleotide base pairs in double stand DNA require energy which is stored in the form of ATP.
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If you want to see something in fine detail, you should focus the light on which part of your retina?
If you want to see something in fine detail, you should focus the light the cornea. The lens works together with the cornea to focus light correctly on retina.
When light hit on retina special cells called photo receptors turn the light into electrical signals. The lens are the clear part of eyes behind the iris that help to focus light and image on retina to see something clearly.Lens is the important part of eye when it comes to focusing light so that we can see perfect clear image.
The retina is the most sensitive part which can effect by more light because retina convert incoming light into electrical impulse.
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Cyanide, raw sewage, petroleum from shipping accidents, and detergents are all examples of?
Cyanide, raw sewage, petroleum from shipping accidents, and detergents are all examples of Water pollution.
Water pollution is the contamination of water bodies by substances like Cyanide, raw sewage, petroleum from shipping accidents, and detergents This makes water unfit for drinking, cooking, cleaning, and other purposes. It may provide an environment suitable for growth of bacteria, algae bloom and other parasites which even destroys the life of animals residing in the water body like fishes.
All other forms of pollution eventually make their way to water and disturb the pH of water. Biochemical Oxygen demand (BOD) is the attribute which measures the pollution in water body at surface level.
Hence,Cyanide, raw sewage, petroleum from shipping accidents, and detergents are all examples of Water pollution.
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Which sensory receptors would play the biggest part in alerting you when you have forgotten to wash your gym socks for 3 weeks
Olfactory receptors would play the biggest part in alerting you when you have forgotten to wash your gym socks for 3 weeks.
How are the olfactory receptors activated?Olfactory receptor, often known as the "smell receptor," is a protein that can bind odor molecules and is essential for the perception of smell (olfaction). Arthropods, terrestrial vertebrates, fish, and other creatures all share these receptors. Airborne odor molecules that reach the nasal cavity and bind to olfactory receptors can be detected by olfactory receptors.
The bipolar neurons themselves are specialized because each olfactory sensory neuron has a single type of receptor on its cilia, and those receptors are designed to detect particular odorants. The hypothalamus receives information from the olfactory tracts. In the mucus, odorants break down and attach to receptors. The olfactory bulbs get impulses from mitral cells.
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The permanent teeth that replace the primary teeth are called ______. Group of answer choices supportive accessional overlapping successional
The permanent teeth that replace the primary teeth are called successional teeth. Details about teeth can be found below.
What is the tooth?A tooth is the hard, calcareous structure present in the mouth of many vertebrate animals, generally used for eating or chewing.
However, the teeth of mammals especially humans grows in phases. First comes the primary teeth also called milk tooth.
After the milk teeth, then comes the permanent teeth called the successional teeth that succeeds the primary teeth. The successional tooth is any permanent tooth that grows in the place of a milk tooth.
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An ecosystem is Multiple choice question. a collection of different species that interact. a group of populations in a given area. a community with all the living and nonliving components. another term used for a community.
Answer:
a community with all the living and nonliving components
Explanation:
Determine what kind of evidence would support the hypothesis that birds evolved from dinosaurs.
Answer:
The first basic evidence is the clear resemblence of ornitosaurian dinosaurs with mordern day birds . Their feet , front limbs and even their skull structure matches with mordern day eagles and falcons . The second evidence is the fossil evidence that shows signs of feathers on theropods from raptors to large theropods like the T-rex .
Explanation:
Fossil Evidence would support the hypothesis that birds evolved from dinosaurs. By the help of fossil evidence from skeletons, eggs and soft tissue.
That evidence of organisms that have existed into the form of fossils.The organism such as tracks or feces or they may part of the organism.The evidence of bacteria , animals, and plants that lived in the past.Evidence used to determine the organism was , when it lived and what major events it experienced during lifetime.
Fossil's have preserved in many different kinds of materials. Many types of fossils evidence are publicly available for viewing at natural science museum.some fossils provide evidence of organisms that no longer exist.
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Which type of neuron sends information from the central nervous system to the muscles to generate movement?
Efferent neurons are a specialized type of neurons that send information from the central nervous system to the muscles to generate movement.
What are efferent neurons?Efferent neurons, also called motor neurons, are specialized types of nerve cells associated with the muscle cell to modulate controlled voluntary movements in the body.
These types of neurons (efferent neurons) are well-known to transport stimuli from the cerebrum to the peripheral nervous subsystem of the nervous system.
In conclusion, efferent neurons are a specialized type of neurons that send information from the central nervous system to the muscles to generate movement.
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what is organ donation?
[tex] \: [/tex]
Organ donation is nothing but the process by which the person donates his/her organ to other person to save the life of a him/her.
Answer:Organ donation is when a person gives a organ of their own to be removed and given to another person.
Explanation:
The initiating event in the development of nephrotic syndrome is a derangement in the glomerular membrane that causes increased permeability to which substance
The initiating event in the development of nephrotic syndrome is a derangement in the glomerular membrane that causes increased permeability to plasma proteins.
Nephrotic syndrome can be understood as a kidney disorder in which the glomeruli filter of the kidney gets damaged due to which it is unable to filter the proteins and passes an excess amount of protein in the urine.
Glomeruli filter consists of clusters of small blood vessels in the kidneys that function in filtering the waste and excess water from the blood. It also sweeps the blood protein which is necessary to maintain the correct amount of fluid in the body, from seeping into the urine. But when it gets damaged glomeruli stop sweeping the protein from the urine as a result too much blood protein leaves your body, leading to nephrotic syndrome.
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Describe how two of the cell structures listed below interact to help maintain a balanced internal environment in a cell.
Cell structures involved releases glucagon to raises the blood glucose levels when the glucose levels in the blood is low
However too, the hormone adrenaline is released to the body's internal environment when there is danger.
What is homeostasis?Homeostasis can simply be defined as the steady maintenance of the internal environment of an organism. Living organisms usually find a way to balance any low or high concentration of substances in the internal environment
Below are what makes up the internal environment of an organism:
BloodLymphIntercellular fluidsSo therefore, cell structures involved releases glucagon to raises the blood glucose levels when the glucose levels in the blood is low
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What is a wireless pan technology that transmits signals over short distances among cell phones, computers, and other devices?
Bluetooth is a wireless pan technology that transmits signals over short distances among cell phones, computers, and other devices.
Bluetooth is a wireless technology enormous, used will change records between cell(mobile) gadgets, like smartphones, drugs, headsets, and wearables, over short distances in a one-to-one style (because of this that it is not possible to assemble a network-based totally on Bluetooth).
Bluetooth is a wireless generation that uses a radio frequency to share statistics over a short distance, putting off the want for wires. you may use Bluetooth to your mobile tool to percentage files or to hook up with unique Bluetooth-enabled devices.
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The prototype approach assumes that stimuli are classified into different concepts based on features that are ________.
The prototype approach assumes that stimuli are classified into different concepts based on features that are set of entities within the category that represent a prototypical member.
The acquisition of a prototypical representation of a category through some sort of abstraction process, according to prototype theory, is how categorization is accomplished. According to Posner (1969) and Neumann (1977), the prototypical representation is thought to be a summary representation that represents the "central tendency" of all the examples that have been encountered. Then, new examples can be categorized according to how closely they resemble this "best example." Think about what happens when someone is asked to envision a category like "tree," for instance. Usually, a representative example of this category comes to mind right away.learn more about prototype approach here: https://brainly.com/question/9558609
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Which is a strain or tear on any of the muscles that straighten the hip and bend the knee:________
A strain or tear on any of the muscles that straighten the hip and bend the knee: Hamstring strain.
Three muscles that run from your thigh to your knee on the back of your leg—the biceps femoris, semitendinosus, and semimembranosus—help you bend and extend your knee and hip.The hamstring is the name given to them all. A hamstring strain will frequently feel abrupt and acute in the back of your thigh. The feelings of "popping" or tearing are also conceivable. Swelling and soreness frequently start to show up within a few hours. Each year, hamstring strains affect both sportsmen and non-athletes on an equal basis. Even though certain injuries can heal naturally with time and rest, you run the risk of not fully recovering if you put off seeking medical attention.learn more about hamstring strain here: https://brainly.com/question/13619683
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Vessels and Nephron Components Place each label in the correct box, indicating whether it is a component of a nephron or a component of the renal vasculature.
The label match up are:
Part of the nephron are:
Proximal convoluted tubulesDistal convoluted tubulesRenal corpusclesNephron loopsComponent of Renal vasculature are:
Afferent arteriolesRenal arteries and veinsPeritubular capillariesWhat is nephron and its function?The nephron is known to be a form of a structural and functional component of the kidney.
It functions as it helps one to be able to monitor or regulates the amount of concentration of water and minerals .
Note that in the case above, The label match up are:
Part of the nephron are:
Proximal convoluted tubulesDistal convoluted tubulesRenal corpusclesNephron loopsComponent of Renal vasculature are:
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100 points:
are these declarative memories or non declarative memories?
Put D for declarative and N for non declarative:
-Deciding on his favorite ice cream
-Recalling a synonym for the opposite of the word "good"
-Riding a bicycle
-Conveying the nature of his condition
- Deciding on his favorite ice cream - N
- Recalling a synonym for the opposite of the word "good" - D
-Riding a bicycle - N
-Conveying the nature of his condition - N
Nondeclarative memory(N) is a grouping of different memory types that work automatically and store data that cannot be accessed by conscious remembrance. Declarative memory(D) is the capacity to consciously recall declarative knowledge, usually in response to a specific request to remember, after having retained it for a long amount of time.
Therefore, Deciding on his favorite ice cream , Riding a bicycle and Conveying the nature of his condition are all non declarative memory(N)and Recalling a synonym for the opposite of the word "good" is a type declarative memory(D).
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