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ankoles [38]
4 years ago
13

Where does DNA unwinding begin?

Biology
1 answer:
Alexxx [7]4 years ago
3 0

DNA unwinding begins at the Origin of replication.

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Aluminum has a fixed density. Are the mass and volume directly proportional or indirectly proportional for a fixed density?
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Indirectly proportional
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An adaptation is a change that_____?
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B

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In this experiment, how many chromosomes were present when meiosis i started? 2. in this experiment, how many nuclei are present
wariber [46]
1. The answer depends on your picture.
DNA is packed and condensed with proteins in the form of chromosomes.

Since the process of division is going to start that means each chromosome will have an X shape. They had the DNA content copied once (in the S phase). The original, plus the copy created, form the X.

You just have to count the number of X's in the picture.

2. The answer is 4 nuclei.
Since the process of division happening is meiosis, that means that four new cells will be originated from a cell that's dividing.
So, four new cells each one with a nucleus, that means 4 nuclei in total.

If this was mitosis, only 2 new cells would be formed which means 2 nuclei

3. The number of chromosomes depends on your picture/exercise.

The answer would be half of the number of chromosomes that you started in the meiosis 1.
This time, chromosomes won't have an X shape since the copies were separated. At the end of the process, each chromosome has just one chromatid.
6 0
4 years ago
This fly locates rotting meat for its own food and for its larvae.
Alex17521 [72]

Answer:

Consumer

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A consumer is an organism that eats another organism in order to survive. If a fly eats a deer or any rotting meat it is a consumer.

4 0
3 years ago
What is the primary purpose of the mitochondria in a cell?
Tju [1.3M]

Answer:

convert glucose into ATP energy the cell can use.

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you may have heard the phrase “mitochondria are the powerhouse of the cell” before, and it’s because they create energy for the cell

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