Answer:B
Explanation: I just did it
Answer:
the answer is B)
Explanation:
DNA is made of nucleotide nitrogen bases, witch turn into Amino Acids, and then finally into protein
Name the tissue in the eye where rods and cones are found
Answer:
The tissue is the retina where rods and cones are found.
Distinguish between breathing and respiration.
As stated above, breathing is the biological process of inhaling and exhaling of the gases between the cells and the environment. The mechanism of breathing involves various respiratory structures such as the windpipe, lungs and nose. Respiration, on the other hand, is a chemical process that takes place in the cell.
➜ Breathing:
The process of obtaining oxygen and releasing carbon dioxide is called breathing.It is a physical process.It takes place in the lungs.It utilises energy from the food.Respiration:
The process of releasing energy from food is called respiration.Heterotrophs are directly or indirectly dependent on autotrophs.It takes place in the lungs as well as in mitochondria.It releases energy from the oxidation of simple food.Clearly explain the role of mutations in evolution.
Answer:
Mutations are changes in DNA and changes in DNA affect all aspects of an organisms life. The first step to evolution is mutation since it creates new DNA sequences for certain genes. By doing so, is creates new allele. The allele is able to spread through reproduction. All genetic features were initially caused by mutations. Mutation is practically the only way in which a species can have a new variation and so, mutations are the raw material of evolution. Although only hereditary mutations cause evolution, mutations have a large impact on evolution.
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Explain how the availability of resources in the environment is linked to exponential growth of a species
Answer: Exponential growth occurs when resources in the environment are abundantly available to a species.
Explanation: When a food source amount drops, so does the survival rate of the predator that eats that specific food source. When a food source grows too abundantly at too fast a rate, predators increase in numbers.
When a cold Front is approaching, what happens?
A. warm air is pushing under cold air causing humid weather and lower temperatures
B. warm air rises, cools, and causes rain and thunderstorms abruptly
C. warm air is pushing under cold air causing humid weather and higher temperatures
D. Cold air is pushed over warm air causing rain and thunderstorms
Answer:
B
Explanation:
i had that question
he Roman Emperor famous for creating a code of law is _____________ .
Answer:
emperor Justinian I....
There are no carriers for Huntington's Disease -- you either have it or you don't. With this in mind, is Huntington's disease caused by a dominant or recessive trait?
a) dominant
b)recessive
c)It cannot be determined
d)It varies depending on whether an individual has one or two copies of the allele
15 points!
What are the independent, dependent and controlled variables in the following investigation?
-Mayra tested three brands of conditioner to see which made her hair feel softest.
Answer:
ind: type of conditioner used
dep: how soft the hair is
controlled: type of shampoo used
Explanation:
ind- the variable that the person doing the experiment chages
dep- the variable that changes due to the change in the ind variable
cont-doesn't change
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During a large thunderstorm, you hear and feel the thunder. Draw a representation of the sound wave produced. Your model should account for the energy and patterns of the wave.
Answer:
Sound waves are longitudinal waves that travel through a medium like air or water. When we think about sound, we often think about how loud it is (amplitude, or intensity) and its pitch (frequency).
Explanation:
This is why we hear and feel them!
Sound waves are longitudinal waves that travel through a medium like air or water. When we think about sound, we often think about how loud it is (amplitude, or intensity) and its pitch (frequency).
What is Sound waves?A sound wave is the pattern of disruption brought on by the movement of energy moving through a medium as it propagates away from the source of the sound (such as air, water, or any other liquid or solid matter).
Pressure waves are produced when an object vibrates, such as a ringing phone, and these waves are known as sound waves. The surrounding medium's particles are disturbed by the pressure wave, and those particles disturb the particles next to them, and so on.
Like ocean waves, the disturbance's pattern causes outward movement in all directions. Usually in all directions and with decreased intensity as it gets further away from the source, the wave transmits the sound energy through the medium.
Therefore, Sound waves are longitudinal waves that travel through a medium like air or water. When we think about sound, we often think about how loud it is (amplitude, or intensity) and its pitch (frequency).
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Most Swiss starlings produce four to five eggs in each clutch. Starlings producing fewer or more than this have reduced fitness. Which of the following terms best describes this situation? (3 points)
The bottleneck effect will result in a small gene pool with little genetic diversity.
Directional selection will happen because the population individuals will be unable to adapt, leading to extinction.
Disruptive selection will result in the population of birds' risk decline, due to reduced number of eggs.
Genetic diversity allows for birds to produce an ideal number of eggs, which leads to stabilizing selection. I think is D
Answer:
D: genetic diversity allows for birds to produce an ideal number of eggs, which leads to stabilizing selection.
Explanation:
Genetic diversity allows for birds to produce an ideal number of eggs, which leads to stabilizing selection. The correct option is D.
What is genetic diversity?The spectrum of various inherited traits inside a species is referred to as genetic diversity.
There would be many individuals with a wide range of different traits in a species with high genetic diversity. For a group of related species to adapt to changing environments, genetic diversity is mandatory.
Genetic diversity aids the populations to adapt to altering environments. More variation boosts the likelihood that some individuals in a population will have allele variations that are suited to the environment. Those people are more likely to survive and have children with that allele.
Birds can produce an optimal number of eggs due to genetic diversity, which leads to stabilizing selection.
Thus, the correct option is D.
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Can someone please help me
En un cultivo de células vegetales se introdujo una mutación genética que produjo como consecuencia la incapacidad de estas células para polimerizar todo tipo de moléculas de glucosa. ¿Que consecuencias podrían haber para estas células?
Explanation:
Aun cuando los procesos de replicación del material genético son muy precisos, no son perfectos, por lo que pueden producirse errores que generan cambios. Una mutación es una variación espontánea o inducida del genoma, un cambio permanente y heredable en la secuencia del ADN, en nucleótidos, o bien en la disposición del ADN en el genoma.
Estos cambios o mutaciones se deben a alteraciones de la información genética. Las consecuencias dependen entonces del nivel de afectación: desde cambios en la secuencia nucleotídica, en los genes o los productos génicos, hasta en los tipos celulares involucrados.
Todos los seres vivos cuentan con sistemas de verificación y reparación de los procesos celulares. En el caso de la replicación del ADN existen sistemas de reparación específicos y bien coordinados, pero en ocasiones las lesiones del ADN que escapan a esta verificación serán las causantes de ocasionar mutaciones; por lo tanto, la efectividad de la lesión dependerá tanto de la tasa de división celular, como de la eficiencia de los mecanismos de reparación contra el aumento en las lesiones al ADN. Cuando ambos factores están incrementados, el resultado será una mayor generación de mutaciones o mutagénesis (y carcinogénesis).
The noble gases in group 18 were some of the last natural elements to be discovered. Why do you think this is so?
Answer:
because they were extremely un-reactive. Being inert, they were difficult to isolate via chemical reactions, thus difficult to distinguish as separate elements
Explanation:
The noble gases of group 18 were the last to be discovered because they are highly unreactive or inert.
Noble gases refer to elements in group 18. These elements are renowned for being inert.
As a result of their inertness and because they are all gases, they are sometimes called "inert gases".
This chemical inertness made it difficult to discover these elements until lately. Many natural elements were discovered because they participate in chemical reactions. Hence, inert gases became the last natural elements to be discovered.
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Plants have low energy needs as compared to animals. Explain.
➜ Plants do not move. In a large plant body there are many dead cells like schlerenchyma which provide strength to the plant but do not perform any cellular function. As a result they requires less energy. Animals, on the other hand, need energy for different activities like movement or search or food. So, they require more energy.
➥ Plants have low energy needs as compared to animals because they do not move. Moreover, in a large plant there are many dead cells like sclerenchyma because of which they also need less energy.
An unlabeled hierarchical diagram of various astronomical bodies is shown. The labels A, B, C and D can be used to represent the galaxy, Mars, universe, moon, and solar system.
Part 1: Which four astronomical bodies would you choose to represent the four labels in the diagram?
Part 2: Explain why the hierarchical level D is different from the rest.
Answer:
Part 1:
The four astronomical bodies one could choose to represent the 4 labels in the diagram are
A - universe
B - galaxy
C - solar system
D - Mars
The universe contains galaxies and galaxies holds solar systems which have planets like Mars
Part 2: D or a planet like Mars is unlike all their other astronomical bodies it does not have other astronomical bodies within it thus, its different from rest.
What are the three main parts of the nervous system
Answer:
brain, spinal cord, and nerves
Explanation:
you could be meaning something else but this is what i was taught in anatomy
Answer:
They are the: Central nervous system,
Peripheral nervous system,
Automatic nervous system.
The dangers of electrical shock can vary depending on the situation. Which of
the following would be the most dangerous (most likely to get a nasty shock!) ...
Answer:
Water
Explanation:
In watermelons, the gene for green fruit (G) is dominant to the gene for striped fruit, and the gene for round shape (R) is dominant to the gene for oval shape. Suppose a plant with genotype GGrr, is crossed with a plant with genotype ggRr. What would be the expected phenotypes among the offspring?
F. 100% green and oval.
G. 50% striped and round; 50% striped and oval.
H. 100 % green and round.
J. 50% green and oval; 50% green and round.
Answer:
It's J
Explanation:
It's a 50/50 chance as the both alleles are dominant
Which type of development occurs in humans? Internal development or External development? Explain your answer.
Answer:
internal development
Explanation:
A female Carries it's baby inside, and it grows there till it is ready to be delivered
Answer:
internal
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Answer:i think its b im not sure dont do b wait till someone else sees it
Explanation:
Answer:
B. "Scientist theories are based on large amounts of evidence."
I hope this helps you! :D
Explanation:
Theories are put into action once large amounts of research and evidence can be provided to prove a theory. Scientists especially need lots of evidence in order to prove a point and their theory.
What characteristic do thunderstorms, hurricanes, and tornadoes all share?
A.
They are all formed when cool and dry air rapidly rises.
B.
They are all formed when warm and moist air rapidly sinks.
C.
They are all formed when warm and moist air rapidly rises.
D.
They are all formed when cool and dry air rapidly sinks.
Answer:
B.
Explanation:
A plant that normally has relatively few, long internodes develops short and more frequent internodes. Which
of the following is the most likely factor in this?
A. the growth is high on the plant
B. the growth is late in the season
C. the growth is a response to high levels of light
D. the growth is early in the season
Answer:
B
Explanation:
why should the solvent not touch the pencil line in chromatography ?
Answer:
The solvent level has to be below the starting line of the TLC, otherwise the spots will dissolve away.
Explanation:
Based on the codon chart, what amino acid chains is coded for by the mRNA sequence 5'AUGUGGGAUUUU3'?
1. Who is widely considered to be the
father of genetics?
A. Gregory Mendel
B. G. H. Hardy
C. William Bateson
D. Reginald Punnett
Answer:
a. Gregory Mendel
Explanation:
Gregory Mendel is the father of genetics
Gregory Mendel is widely considered to be the father of genetics
Option A is correct
How do we explain?Gregor Mendel was an Austrian monk and botanist who is considered to be the father of genetics. He conducted experiments on pea plants and was able to formulate the laws of inheritance, which are the basic principles of genetics.
Mendel's work was not widely recognized until the early 20th century, but it has since had a profound impact on our understanding of genetics. His work laid the foundation for the study of genetics and has helped to advance our understanding of how traits are passed down from parents to offspring.
Therefore, Option A is correct
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please answer the question in the picture if you know the answer and thxxx :) :) :)
In cats, the allele (B) produces black color but (b) produces a yellow color. These alleles are incompletely dominant to each other. A heterozygote produces a tortoise shell color. The alleles (B) and (b) are sex-linked as well. Cross a tortoise shell female with a yellow male.
A.vWhat percent of their offspring will be yellow?
B. What percent of their offspring will be black?
C. What percent of their offspring will be tortoise shell?
D. Why is it impossible to have a tortoise shell male offspring?
Answer:
a. 50%
b.25%
c. 25%
d. Why is it impossible to have a tortoise shell male offspring? the x chromosome, a male can only have one copy of the allele - either B. orb, not both!
Explanation:
Alleles can be referred to as alternate forms of a gene. Incomplete dominance refers to two true-breeding parents crossed to give an intermediate phenotype.
The allele (B) produces black color but (b) produces a yellow color. A heterozygote produces a tortoise shell color (Bb)
Cross a tortoise shell female with a yellow male.
Bb x bb
Bb Bb bb bb
c. Bb --- 50% tortoise shell color
a. bb --- 50% yellow color.
b. No black -- 0%.
d. The males offspring cannot be tortoise shell because they have just the one X chromosome on which this gene resides. So they are either black or yellow.
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The following passage describes inheritance.
Complete the passage by writing a suitable word or words on each dotted line.
A gene is a section of a double-stranded molecule known as
This molecule is found within the
of the cell,
contained in threadlike structures called
The two strands form a double helix linked by a series of paired bases.
The base adenine is always linked to
and the base cytosine
is always linked to
Your answer
Answer:
A gene is a section of a double-stranded molecule known as DNA. This molecule is found within the nucleus of the cell, contained in threadlike structures called chromatin. The two strands form a double helix linked by a series of paired bases. The base adenine is always linked to thymine and the base cytosine is always linked to guanine.
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True or False: If two brown rabbits with the same alleles (BB and BB) are bred, then all of their offspring will have the same alleles (BB).
Answer:
i think its gonna be true
Answer:
hmm i think true
Explanation:
but cud also be false cuz 25 % of their offspring cud be ressesive