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statuscvo [17]
3 years ago
15

How are fossils used to date organisms?

Biology
1 answer:
kondor19780726 [428]3 years ago
3 0
Absolute dating is used to determine a precise age of a rock or fossil through radiometric dating methods. This uses radioactive minerals that occur in rocks andfossils almost like a geological clock. It's often much easier to date volcanic rocks than the fossils themselves or the sedimentary rocks they are found in.
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If someone have consumed a drug that block the activity of primase. state the effect of drug on the synthesis of new dna strand.
Vanyuwa [196]

Answer:

The consumption of a drug that inhibits or block the enzyme primase will have problems for the replication of DNA, since it is not possible to synthesize a new strand without this enzyme.

Explanation:

During DNA replication, the enzyme primase is responsible for synthesizing the primers, RNA fragments necessary for the DNA polymerase III to synthesize the new DNA strand.

If for any reason the action of the primase is blocked, the primer could not be synthesized and the effect of DNA polymerase III would be null, so the new DNA strand could not be synthesized.

In DNA replication, the primase contributes to the formation of small fragments of DNA, by the action of polymerase III, which are called Okazaki fragments. These fragments will require the action of another enzyme, ligase, in order to form a continuous DNA strand.

7 0
3 years ago
Which of the following organelles is properly matched to it's function?
kati45 [8]

The organelle properly matched to it's function is

-(C) lysosome: digestion

Explanation:

<u>Lysosomes</u> : It hold enzymes that were created by the cell. The purpose of the lysosome is to digest things. They might be used to digest food or break down the cell when it dies

<u>Endoplasmic reticulum</u> : to produce proteins for the rest of the cell to function.

<u>Chloroplast</u> : They are responsible to carry out photosynthesis

7 0
3 years ago
List 4 viruses and the diseases they cause (1 disease per virus) please help!!!!​
Ainat [17]
Smallpox, herpes, rabies, and the common cold :)
8 0
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In which situation would new technology be most likely to cause a change in an existing theory about new structures in a cell?
Jlenok [28]

Hey there! Your answer would be:

The new technology allows detection of a structure that could not be detected previously.

I hope this helps!

7 0
4 years ago
Read 2 more answers
Which best decribes the realtion ship beetween dna and rna
GrogVix [38]

RNA is a copy of DNA that is used to make proteins. We usually compare all eukaryotic cells as a group to all prokaryotic cells.

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3 years ago
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