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vitfil [10]
3 years ago
9

Length of DNA and RNA

Biology
1 answer:
jolli1 [7]3 years ago
4 0

Answer:

. A DNA molecule in a human chromosome can be up to 250 million nucleotide-pairs long; in contrast, most RNAs are no more than a few thousand nucleotides long, and many are considerably shorter.

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What molecule does carbon start out in
Svetllana [295]

Answer:

Plants are a good starting point when looking at the carbon cycle on Earth. Plants have a process called photosynthesis that enables them to take carbon dioxide out of the atmosphere and combine it with water. Using the energy of the Sun, plants make sugars and oxygen molecules

Explanation:

8 0
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What would happen to an animal cell with an internal salt concentration of 70% if it were placed in a salt solution with a conce
Vlada [557]

Answer:

It will swell and eventually burst because water from the environment is flowing into the cell

Explanation:

This question is describing OSMOSIS, which is the movement of water from a region of high concentration to a region of low concentration across a semi-permeable membrane. The osmotic process is facilitated by the formation of an OSMOTIC GRADIENT i.e. difference in concentration between the two sides of the membrane.

In this case, an animal cell containing an internal salt concentration of 70% (hypertonic) were placed in a salt solution with a concentration of 20% (hypotonic), OSMOSIS will occur in the sense that water will move from where it is more concentrated (salt solution) into where it is less concentrated (animal cell), hence, the animal cell will SWELL AND EVENTUALLY BURST.

3 0
3 years ago
Which of the following is an organic molecule?
MAXImum [283]

Answer:

The correct answer is methane . Nature constitutes most of the substances made up of organic compounds. These compounds have carbon atoms attached with hydrogen atoms with a chemical bond (very few compounds may not have this bond).

6 0
2 years ago
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What is the Stellar formation in sequential order?
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Which of the following aspects of water quality is related to changes in weather patterns and circulation of water in the oceans
Molodets [167]

Answer:

Sanity and Temperature

Explanation:

They both determine the density of ocean water and density influences the circulation.

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