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Scrat [10]
2 years ago
6

Which type of chlorophyll is rare in xanthophyceae and is only determine its two genera

Biology
1 answer:
olga55 [171]2 years ago
3 0
The answer is Chlorophyll
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One reason that regulation of gene expression is important is that it saves energy and materials from being used when they are n
lara [203]

Answer:

d. transcriptional regulation (regulation of whether transcription occurs)

Explanation:

If the product of a gene is not needed, then allowing the transcription of such gene to proceed only to be regulated after or even after translation will result in a mere wastage of resources. It thus means that the resources utilized for transcription has been wasted.

<em>Hence, the correct option is d.</em>

5 0
3 years ago
The _____ temperature and the _____ pressure on Earth's inner core force it to remain a solid. (4 points)
NARA [144]

Answer: high and low

Explanation: high  and low

7 0
3 years ago
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Compare and contrast DNA and RNA
Ierofanga [76]
<span>Compare:  both RNA and DNA have 3 nitrogenous bases: Adenine Cytosine and Guanine. Also b</span>oth have a phosphate groups in their nucleotides<span> 

Contrast: </span>RNA is a polymer with a ribose AND a phosphate backbone. It has four different nitrogenous bases: adenine, guanine, cytosine, and uracil.

DNA<span> is a long polymer with deoxyriboses AND phosphate backbone. It also has  four </span>different<span> nitrogenous bases: adenine, guanine, cytosine and thymine. 
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Hope this helps

6 0
3 years ago
When carbon monoxide is present in the blood, the body's tissues and cells are deprived of
I am Lyosha [343]

Answer:

The correct answer is oxygen.

Explanation:

Hope this helped Mark BRAINLEST!!

7 0
3 years ago
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A scientist found two different sizes of a same protein obtained from plants and animals. This size difference in same type of p
Evgesh-ka [11]

Answer:

Deletion and glycosylation.

Explanation:

Proteins is polymers of the alpha amino acids that are directly linked together through the peptide bond. Proteins plays an important role in the metabolic pathways as most enzymes are made of protein.

The same protein can exist in two different size. This might occur due to the deletion of the particular amino acids sequence in one organism and normal in other organisms. The glycosylation of the same protein at different position in the proteins may also leads to the difference in the protein size.

Thus, the correct answer is deletion and glycosylation.

8 0
3 years ago
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