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SVETLANKA909090 [29]
3 years ago
6

What is the first step of the Calvin-Benson cycle?

Biology
1 answer:
kupik [55]3 years ago
5 0

Answer:

In stage 1., the enzyme RuBisCO incorporates carbon dioxide into an organic molecule, 3-PGA.

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The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. The ancient whale is extinct and is bel
bezimeni [28]

Answer: It shows the evolution of mutations. Throughout the lifetime of animals and humans depending on their way of life and how they life it they will slowly mutate into a different animal to be able to life that way..

Explanation: Example- Whales use to have legs and walked around the earth. But also loved to swim and play in water. Over time they began to adapt and mutate into what we know f whales now. With no legs, they have large fins to help them swim in the oceans.

Basically your answer is Evolution of the Animal

7 0
4 years ago
Read 2 more answers
What is going to be the funnest thing you are going to do this spring break????​
butalik [34]

Answer:

I going to take Buzzfeed quizzes to find out what kind of pizza I am :)

Explanation:

6 0
3 years ago
When a parasite enters the body, basophils in the blood stream or mast cells found in other tissues release chemical signals. Th
AleksandrR [38]

eosinophils

They are the type of white blood cells mainly involved in parasitic infections.

6 0
3 years ago
DNA damage can occur as a result of exposure to chemicals or ultraviolet radiation. What happens during nucleotide excision repa
katovenus [111]

Answer:

D. Enzymes open the DNA strand, remove a segment of DNA from the strand that contains the damage, and resynthesize the correct DNA sequence.

Explanation:

From time to time, the DNA gets exposed to certain chemicals or radiation that damages it. However, the cell has a DNA repair mechanism in place called NUCLEOTIDE EXCISION REPAIR (NER).

NUCLEOTIDE EXCISION REPAIR (NER) is one of the DNA repair mechanisms in which certain enzymes open the DNA strand, remove a segment of DNA that contains the damaged gene or nucleotide bases, and resynthesize the correct DNA sequence using the pair of the damaged one.

3 0
3 years ago
What is the difference between the predator-prey relationship and the<br>parasite-host relationship​
jenyasd209 [6]

Answer: In a predator prey relationship, the predator kills and eats the prey. In a parasite/ host relationship, the parisite is feeding off the host, without killing it.  If the host dies, the parasite will as well.

Explanation:

I hope that makes sense XD good luck

5 0
3 years ago
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