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Oksana_A [137]
2 years ago
14

Why can mRNA leave the nucleus, but

Biology
2 answers:
Fittoniya [83]2 years ago
5 0

I would say B.(RNA is singled stranded, DNA is double stranded, so

RNA is smaller than DNA.)

RNA is a single strand and can leave the nucleus easily but the DNA is double strands that are twisted together and are big and cannot leave the cell

Trava [24]2 years ago
4 0

Answer:

B

Explanation:

Your DNA is stored in a double helix formation. Which means it has two long strands and would be too long to leave the nucleus. C and A are incorrect. DNA is double stranded, so we can eliminate A. There are NO special openings in the nucleus. Only the cell membrane. C is eliminated.

Option D is incorrect because DNA is transcribed into the cell membrane, there is no way for it to leave. RNA is a single strand.

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I really need help its biology
exis [7]
2. Thymine with Adenine & Cytosine with Guanine
3. The Dna double helix must unwind near the gene which is supposed to get transcribed.
4. RNA polymerase
5. Uracil with Adenine & Cytosine with Guanine
8. Nucleotides
9. RNA polymerase
10. Dna - 2 strands MRNA - 4 strands
11. MRNA is an intermediary between the genetic info in Dna and the sequence of amino acids in proteins
4 0
3 years ago
In one year, 35 giraffes are born to a population. What does this number represent?
mestny [16]

Answer:

It is meant to say that there is less population of giraffe in Jungle.

Explanation:

If there was 35 giraffes are born to a population in 1 day than tthere is more population. But in question said that in a year.

3 0
2 years ago
What is the basic unit of life​
Volgvan

Answer:

The basic unit of life is a cell

4 0
3 years ago
Read 2 more answers
Help? You are studying an outcrop where the lower layer is limestone and the layer directly on top of the limestone is sandstone
ELEN [110]

Answer:

Due to mixing of particles present in the upper layer of limestone with sandstone during deposition.

Explanation:

The parent layer was limestone layer which is older than sandstone layer. This sandstone layer spreads on the limestone layer because of wind. The wind moves these sandstone from other region and their deposition occurs on the limestone layer. During deposition of sandstone, some particles of limestone which are present at the surface mixes with the sandstone so that's why in sandstone layer, small and weathered pieces of limestone are present.

7 0
3 years ago
If a sound is softer or a light is dimmer, what does this mean about the amplitude of the wave?
sleet_krkn [62]

Answer:

it britens up off the water My Dog Told Me

4 0
2 years ago
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