BIOLOGY HIGH SCHOOL

Which type of mutation occurs when the wrong base is used? A.There is no mutation. B. substitution C. insertion D. deletion

Answers

Answer 1
Answer: i’m pretty sure the answer will be deletion
Answer 2
Answer:

Answer:

B. substitution

Explanation:

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The genetic information in human and chimpanzee DNA shows a high degree of similarity, as humans share about 96-99% of their DNA code with chimpanzees. What is an explanation for this similarity?

Answers

This similarity can be explained by Charles Darwin's Theory of Evolution. Humans and chimpanzees share a common ancestor wherein a number of million years ago, due to adaptation of their environment, human species branched out and eventually evolved into Homo sapiens. 

Answer:

The correct answer would be common ancestry.

Common ancestry means that different species have been established from a single parent species or population.

Organisms which share more recent common ancestors tend to have more similarity as compared to the organisms which share an older ancestor.

Humans and chimpanzees also believed to evolved from a common ancestor around 6-7 million years ago.

It is the reason why humans and chimpanzees share around 96-99 percent of the DNA.

Which phase lasts longest during an action potential in a ventricular contractile fiber?

Answers

Phase 2, a plateau phase, is the longest phase. It is unique among excitable cells and marks the phase of calcium entry into the cell. Phase 3 is the phase of rapid repolarization that restores the membrane potential to its resting value.

How many planes of symettry can you draw through a jelly fish?A-None
B-2-5
C-1
D-More than 5

Answers

I believe that the answer is B.) 2 - 5.


My reason being is because symmetry basically means 3-D , So you are asking how many sides can you see when looking through a jelly fish.

When looking through any jelly fish you will see 2-5 sides , 2-5 because there are four ( 4 ) , There is the front , the back and also both sides so it's four ( 4 ). 

That was my reason for the answer I chose.

 It would be D but you will not see at lease 5 sides to a jelly fish , why? = because they don't have 5 sides , most of them are square shaped or circular.



I really hope that this helped you out a lot.

A plant with round seeds is crossed with another plant with round seeds. Round are dominant over oval seeds. When two heterozygous round-seeded plants are crossed, what is expected of their offspring, assuming random chromosome segregation?

Answers

Because the plants are heterozygous their alleles will be Ss (for example) Therefore if you crossed them over your possible outcome would be SS, Ss, Ss, and ss. Because the round seeds are dominant (shown as the capital S) this means that if the S is shown then the plant will have ROUND seeds. Therefore in this situation 3/4 of all the offspring would have round seeds.

The distance from the top of the outer core to the bottom is?

Answers

Is there a diagram or options, this is hard to answer without knowing some sort of information or variable.

I'd be happy to answer once I get more information :)

In which of the following pairs do both organisms belong to the same population?Select one:
two similar species of monkeys
two residents of New York City
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a rose and a carnation

Answers

Two residents of New York City is the pair where both organisms belong to the same population. 
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