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charle [14.2K]
3 years ago
13

Why does the dna double helix have a uniform diameter?

Biology
1 answer:
ASHA 777 [7]3 years ago
8 0
The purines always pair with the pyrimidines
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The earth's magnetic field is associated with the:
Pachacha [2.7K]

Answer:

D, core

Explanation:

The outer core is located just below the mantle. It is made of liquid iron and nickel. Scientists believe this layer is responsible for the Earth's magnetic field. It is about 2,200 kilometers thick and around 4,500 degrees Celsius.

8 0
3 years ago
Number the following steps in the correct order and tell which stage it occurs in:
Sedaia [141]

Answer:

The correct answer is given below:

Explanation:

1. A cleavage furrow or cell plate forms, separating the nuclei - Cytokinesis.  During cell division, after division of nucleus, cytoplasm divides by furrow in an animal cells and by cell plate formation in the plant cells.

2. Chromosomes line up at the equator and chromatids are attached to spindle fibres—Metaphase. During metaphase all the chromosomes get arranged on the equatorial plane or the central plane

3. Nuclear membrane and nucleolus reappear- Telophase. The nuclear membrane starts to form around each of the daughter chromosomes and nucleolus also reappears in the daughter nuclei.

4. Genetic material replicates and is joined at the centromere- S-phase of the interphase. Duplication or copying of the DNA occurs in this phase  

5. Centromeres divide and single-stranded chromosomes move to the poles- Anaphase.  During anaphase, the sister chromatids of each chromosome gets separated and move to the opposite poles.

7 0
4 years ago
A worldview that helps us make sense of how the environment works, our place in the environment, and right and wrong environment
Lera25 [3.4K]
Answer would be <span>environmental worldview</span>
8 0
3 years ago
Does anyone know if these are correct, I’m just asking because idk if they are correct or not.
pashok25 [27]

Yes, these are correct

8 0
3 years ago
________ cannot be created or destroyed. It can only be transformed (from one type of energy to another, such as chemical energy
DedPeter [7]

Answer:

energy

Explanation:

7 0
4 years ago
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