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sergey [27]
2 years ago
10

Do the chromatids split apart before or after they line up in the center in mitosis?

Biology
1 answer:
Sindrei [870]2 years ago
6 0
I think the answer is 1. after
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Define hydrogen bonds
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Define hydrogen bonds( It a weak bond between two molecules) one molecules and goes to electronegative to another.
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What did the structure of DNA’s double helix suggest about DNA’s properties? Select all that apply.
givi [52]

Completed part of the questionErrors in copying can result in changes in the DNA sequence that could be inherited by future generation.

Answer:

DNA stores genetic information in the sequence of its bases

DNA can be replicated by making complementary copies of each strand

Errors in copying can result in changes in the DNA sequence that could be inherited by future generation.

Explanation:

<u>the  fact that DNA is located in the Nucleus is not related to double strands.</u>

<u>the DNA csn change is not relevant ,</u>

<u> therefore the above 3 options are the correct answers.</u>

7 0
3 years ago
What must be considered when determining time of death?
Ostrovityanka [42]
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7 0
3 years ago
A mutant strain of yeast is able to produce 2 ATP for each glucose molecule digested in the absence of oxygen. What makes this s
Free_Kalibri [48]

Answer:

Explanation:

Normally, under anaerobic condition in yeast, pyruvate produced from glycolysis leads to the production of ethanol as shown below.

pyruvate ⇒ acetaldehyde + NADH ⇒ ethanol + NAD

The pyruvate is converted to acetaldehyde by the enzyme, pyruvate decarboxylase. It should be NOTED that carbon dioxide is released in this step. The acetaldehyde produced in the "first step" is then converted to ethanol by the enzyme alcohol dehydrogenase. It must be noted from the above that the steps are irreversible.

If a mutated strain of yeast is unique because it does not produce alcohol and lactic acid (which is referred to as toxic acid in the question); thus having a high level of pyruvate because of the presence of a novel enzyme.   <u>The function of this novel enzyme will most likely be the conversion of acetaldehyde in the presence of carbondioxide back to pyruvate; thus making that step reversible</u>. This could be a possible explanation for the high level of pyruvate present in the yeast.

6 0
2 years ago
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