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spayn [35]
2 years ago
12

True or false the typical X shaped chromosomes is the result of DNA replication​

Biology
1 answer:
hodyreva [135]2 years ago
3 0

Answer:

True

Explanation:

Truly, the typical X shaped chromosomes is the result of DNA replication. When the DNA has replicated, it then condenses and coil into the X-shaped of the chromosome. This then implies that replicated chromosomes take the X-shaped structures seen under a microscope.

When this replication occurs, the chromosome is made of two structures that are identical. They are known as the sister chromatids. These chromatids are actually joined at the centromere.

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Which of the following are ways that DNA can undergo mutation? A. During DNA replication, the wrong base is added to the strand
trasher [3.6K]

Answer: Option C.

High-energy waves like UV light or radiation physically damage the DNA

Explanation:

Mutation is the change or alteration that occur in the DNA sequence or nucleotides sequence of an organism which is caused by mistakes when the organism is copied or environmental factors such as UV light.

Ultraviolet light cause mutations by activating the SOS repair systemof which is a part of i a new DNA polymerase that has no power to edit e but has the ability to move past the thymine dimer and synthesize DNA, This lead to cells able to replicate but with a high frequency of mutations.

7 0
3 years ago
The diagram shows a simple lipid.
Evgesh-ka [11]

The correct answer is option A, that is, saturated.

The mentioned lipid is not a phospholipid, as it does not comprise a phosphate group at the terminal of the chain, and is not a triglyceride due to the absence of glycerol moiety.

Each carbon combined with the hydrogens forms the maximum number of possible C-H bonds, thus, there are no multiple bonds between the carbons. Hence, it can be concluded that the lipid is saturated.


3 0
3 years ago
What does a S-shaped curve demonstrate for population growth?
11111nata11111 [884]

A design of growth in which (occurs only in a different situation), the population frequency of an organism rises gradually originally, in a good acceleration time, later progresses swiftly nearing an exponential growth pace just like the J-shaped curve, however, it later declines (meaning rejects) in a bad acceleration time till at zero growth rate the population maintains. For example, yeast is a tiny fungus, so tiny, a microscope is required to view it, furthermore, it is used to produce bread and alcoholic drinks, displays the traditional S-shaped curve if raised in a test tube. Its maturity levels off as the population deplete the nutrients that are essential for its growth.

7 0
3 years ago
When planning a healthful diet using the USDA Eating Patterns, vegetarians should remember that: a. modifications are prohibited
denis-greek [22]

Answer:

<em>The correct option is c) the vegetable group contains legumes, which can be counted as protein foods.</em>

Explanation:

The USDA Food Patterns were formulated so that people could be helped in carrying out Dietary Guidelines recommendations. These Guidelines help people understand and identify the daily food which they shall consume. There are three basic lifestyles of diet which these guidelines describes:

1) The Healthy U.S.-Style Pattern

2) the Healthy Vegetarian Pattern

3)  Healthy Mediterranean-Style Pattern

These guidelines also describe that legumes are an excellent food which shall be consumed by all vegetarians as they are an excellent source of proteins.

5 0
3 years ago
A population of Purple Gorillas feeds entirely on plants. But some of these Gorillas are good at digesting Plant A, while others
Ray Of Light [21]
The species has a higher chance of survival as there are 3 plant types, even if 2 of those die out, there's a portion of the purple gorillas that can still eat the remaining plant type
7 0
3 years ago
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