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Jet001 [13]
2 years ago
10

When do cells duplicate their DNA?

Biology
2 answers:
Leno4ka [110]2 years ago
4 0

Answer:

dont know raadi solve your self

butalik [34]2 years ago
4 0
When they replicate the DNA, they look it over to make sure they got everything right. Correcting it. The end is two complete replicas of DNA.
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In what processes is carbon a reactant or a product in the carbon cycle?
fiasKO [112]

Carbon is a reactant in the process of photosynthesis but a product in the process of cellular respiration.

<h3>What is carbon cycle?</h3>

Carbon cycle is the physical cycle of carbon through the Earth’s biosphere, geosphere, hydrosphere and atmosphere.

It is the series of processes by which carbon compounds are interconverted in the environment, that includes such processes as

  • photosynthesis
  • decomposition
  • respiration
  • carbonification

Carbon cycle involves the incorporation of carbon dioxide into living tissue by photosynthesis and its return to the atmosphere through respiration, the decay of dead organisms, and the burning of fossil fuels.

Therefore, carbon is present in the atmosphere as a reactant during photosynthesis and as a product during cellular respiration.

Learn more about carbon cycle at: brainly.com/question/1627609

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3 0
1 year ago
A scientist investigated DNA replication in two groups of cells, labeled A and B. She injected radioactively labeled nucleotides
Maksim231197 [3]

Answer:

D. The cells in group B are prokaryotic because they replicate their DNA in the cytoplasm.

Explanation:

The cells of group A are prokaryotic because it is prokaryotes which do not have a double membranous structure called nucleus for storing their genetic material. The genetic material of prokaryotes is spread in the cytoplasm in the form of a circular DNA which is called as nucleoid. Since they do not have a separate organelle like nucleus for storage of their genetic material, they are bound to replicate their DNA in the cytoplasm. In contrast to prokaryotes, eukaryotes have nucleus for storage of their genetic material and in eukaryotes replication is an exclusively nuclear event.

5 0
3 years ago
PLEASE HELP!! Identify a specific environmental factor that will cause a response to living things, and describe how this factor
jasenka [17]

Answer:

A specific environmental factor that will cause a response to living things will be light from the sun.

Explanation:

An enhanced amount of light from Sun will cause the plants to have enhanced photosynthesis. Photosynthesis can be described as a process by which plants use light energy from the sun to convert carbon dioxide and water into sugar (food) and oxygen.

In animals, enhanced amount of light from the sun will cause sweating and vasodilation.

The process of photosynthesis won't occur in animals and the process of sweating won't occur in plants.

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under what circumstance does a negative cell presents An antigen to another negative cell

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quiz on what.so tht i can partake

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