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Kamila [148]
3 years ago
13

When DNA is duplicated during mitosis, _____.

Biology
1 answer:
nika2105 [10]3 years ago
6 0

Two molecules are formed each with one original side.

aka semi-conservative replication(the resulting double helix is composed of both an old strand and a new strand)

Hope this helps:)

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Increased death rate and predation if the birth rate is high
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Energy and matter cycle through a beach on the ecosystem on the gulf of mexico identify one kind of model you can use to show th
timofeeve [1]

Hello. This question is incomplete. The full question is:

Energy and matter cycle through a beach ecosystem on the Gulf of Mexico. Identify one kind of model you can use to show the path of energy and matter through this ecosystem. Describe one benefit of using that kind of model to show those processes.

Food web; shows energy available at each trophic level for the next group of organisms

Energy pyramid; show all pathways of energy flow in an ecosystem

Food chain; shows a single pathway of energy flowing, making it easy to see which organisms are primary, secondary and tertiary consumers

Answer:

Food chain; shows a single pathway of energy flowing, making it easy to see which organisms are primary, secondary and tertiary consumers

Explanation:

The food chain represents a linear sequence of energy transfer within an environment. This transfer is carried out with a sequence of living beings that serve as food for each other and this food that promotes the transfer of energy through a single path, allowing all levels of transmission to be observed, through primary, secondary and tertiary.

3 0
3 years ago
What would be the effect on DNA replication of mutations that destroyed each of the following activities of DNA polymerase I?a.
lbvjy [14]

Answer:

a. 3′→5′ exonuclease activity = No proof reading

b. 5′→3′ exonuclease activity = No primer removal

c. 5′→3′ polymerase activity = No gap filling

Explanation:

<u>a) 3′→5′ exonuclease activity = No proof reading</u>

3′→5′ exonuclease activity of DNA polymerase I is responsible for proof reading so that if a wrong nucleotide is inserted during replication, it could be removed. So if a mutation will occur in the domain which is responsible for 3′→5′ exonuclease activity error prone DNA replication will occur.

<u>b. 5′→3′ exonuclease activity = No primer removal</u>

5′→3′ exonuclease activity is useful in removing primers so that appropriate nucleotides could be inserted in the lagging strand. But if mutation will occur in this part of DNA polymerase I then primer will not be removed and replication of lagging strand will be at halt.

<u>c. 5′→3′ polymerase activity = No gap filling</u>

5′→3′ polymerase activity of DNA polymerase I, joins the nucleotides in the lagging strand where the gaps have been created after removal of primer. So the gaps created after removal of primer in the lagging strand will not be filled if there will be a mutation in this segment of DNA polymerase I.

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Answer:Meiosis

Explanation:

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What are amino acids?? <br><br>​
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Answer:

THEY ARE ORGANIC COMPOUNDS

Explanation:

They make up proteins and they are also a combination of amines and carboxylic acids

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