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Rzqust [24]
3 years ago
13

Which vitamin does the human skin synthesize from the Sun’s ultraviolet light?

Biology
1 answer:
ki77a [65]3 years ago
8 0
Vitamin D is the andwer
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What evidence does not support the evolution of chloroplasts and mitochondria from prokaryotic cells? 1. Presence of circular DN
UkoKoshka [18]

Answer:

They are too small to evolve

Explanation:

4 0
4 years ago
What happens to matter that is used up in photosynthesis
ahrayia [7]
It turns into sugar which is fuel for the plant




I hope I helped 
4 0
4 years ago
Read 2 more answers
A gene that codes for a protein was removed from a eukaryotic cell and inserted into a prokaryotic cell. Although the gene was s
kirza4 [7]

Answer:

Option (3).

Explanation:

The process of the transcription and translation is quite different in case of prokaryotes and eukaryotes. Transcription and translation is couple together in prokaryotes whereas it takes place in separate compartment in case of eukaryotes.

The gene has been transferred from the eukaryotes to prokaryote but the protein produced is quite different. This might occur due to the presence of introns in the eukaryotes whereas prokaryotes do not have introns. In case of eukaryotes, the protein express after the splicing process but no splicing occurs in prokaryotes and give different product.  

Thus, the correct answer is option (3).

6 0
3 years ago
Wo fruit flies that are heterozygous for body color and eye color are crossed. Brown body color is dominant to black body color.
ExtremeBDS [4]
<span>The crossed flies are heterozygous so they have one allele of each for the characteristics. So the genotype is Bb for body color and Rr for eye color. To set up the punnett square, you would determine all possible combinations for the alleles that each parent could provide: BR, Br, bR, and br. Then make the table, and combining the rows and columns:
    BR Br bR br
 BR BBRR BBRr BbRR BbRr
 Br BBRr BBrr BbRr Bbrr
 bR BbRR BbRr bbRR bbRr
 br BbRr Bbrr bbRr bbrr
   There are sixteen combinations of the genotypes and they need to be classified: BB or Bb- Brown body; bb- black body; RR or Rr- red eyes; rr- brown eyes
   Brown body and red eyes- 9
 Brown body and brown eyes- 3
 Black body and red eyes- 3
 Black body and brown eyes 1</span>
8 0
4 years ago
During which stage of mitosis do the sister chromatids get pulled to opposite ends of the cell? (3 points)
Lisa [10]
The answer is Anaphase
7 0
3 years ago
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