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koban [17]
3 years ago
14

The relationship between a gene and a messenger rna is that ________.

Biology
1 answer:
11111nata11111 [884]3 years ago
7 0

Answer:

mRNAs are made from genes

Explanation:

Messenger RNA (mRNA) is formed with the process of transcription.  

During the process of transcription, double stranded DNA which contain genes are converted into mRNA with the help of enzyme RNA polymerase, so, mRNA are made from genes.

The single stranded mRNA which corresponds to the genetic sequence of a gene allows the ribosome to produce protein (Translation).

Hence, the relation between mRNA ns genes is that mRNA ar emade from genes.

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What type of solution is this cell sitting in?
Dafna1 [17]

Answer:

The correct option is A. The cell is sitting in a hypertonic solution.

Explanation:

A hypertonic solution is a solution in which there are more number of solutes present in the solution than inside the cell. The solutes then tend to pass into the cell through diffusion from the solution.

As it can be seen in the diagram, the concentration of salt is more in the solution i.e 40%. Hence, the salt from the solution enters into the cell by diffusion and has a concentration of 10% inside the cell which shows the cell to be placed in a hypertonic environment.  

6 0
3 years ago
Which of the following structural adaptations helps an organism obtain food?
lutik1710 [3]

I think its C. The long neck of a giraffe

8 0
3 years ago
Disruptive selection events select for _______.
Natalija [7]

The right option is; extreme traits

Disruptive selection events select for extreme traits.

Disruptive selection is a type of natural selection in which organisms with extreme traits are favored (such as in reproduction) over organisms with intermediate traits. This type of selection results in increased traits differences with increase in frequency of the alleles for the extreme traits. Disruptive selection can lead to the digression in a species line.



5 0
3 years ago
Read 2 more answers
Tay-Sachs disease is a lethal, autosomal recessive genetic disorder. If both parents are heterozygous carriers of the disease, w
rjkz [21]

Answer:

50%

Explanation:

Let's assume that the allele "T" gives the normal phenotype while the recessive allele "t" imparts the disease and is lethal in homozygous condition. The genotype of each of the two carrier parents would be "Tt". A cross between Tt and Tt would give the progeny in the following genotype ratio=

Tt x Tt= 1/4 TT: 1/2 Tt: 1/4 tt

Therefore, 1/2 or 50% progeny would be the carrier for the Tay-Sachs disease.

4 0
3 years ago
Which structure provides a protective outer covering for bones and assists with fracture repair?
Leni [432]
Periosteum is the thin yet tough outermost layer of bones. Its many collagen fibers support the bone and firmly connect it to the surrounding structures. Osteogenic cells in the periosteum play a vital role in the growth and repair of bony tissue.
8 0
3 years ago
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