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mojhsa [17]
4 years ago
12

When is the microscope a useful tool for biologists?

Biology
1 answer:
Snowcat [4.5K]4 years ago
3 0
Tissue culture testing Bone marrow biopsy
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However, when the proteins formed by the genes have their amino acids sequenced, there is no difference observed between the two
Musya8 [376]

Answer:

The correct answer is: Variation in nucleotide sequences are located in those regions of the gene which do not affect the sequence of the protein due to genetic code degeneracy.

Explanation:

  • Proteins are encoded from the genes located in the chromosomes.
  • The genes are made up of the heritable DNA (Deoxyribonucleic Acid) sequences.
  • These genes are transcribed by the enzyme called RNA polymerase into mRNA (messenger Ribonucleic Acid) sequences in the nucleus.
  • The mRNA is then translated into protein sequences by the Ribosome in the cytoplasm or the RER (Rough Endoplasmic Reticulum).
  • The Ribosome reads the mRNA code in form of triplets, that is, three consecutive nucleotide are read as a single code that encode for a single amino acid. This triplet code that responsible for coding for a single amino acid is called a Codon.
  • The Codons are degenerate in nature. This means that among the three nucleotide in a codon the first two nucleotide is specific for a particular amino acid. The third nucleotide is "wobble" in nature. This means that whatever may be the nucleotide in the third position it will not change the amino acid coded by the first two nucleotide.
  • Hence, a single amino acid is coded by more than one codon.
  • So, gene sequences showing variation in the wobble nucleotide position will encode for the same protein.
8 0
3 years ago
Can someone answer the question with a small paragraph please brainiest will be given
maria [59]

Answer:

There are so many ways that you can help save our oceans, many of which involve small changes in your day to day life. If we reduce our carbon footprint, limit plastics, avoid products that exploit marine life, and spread awareness we can make a difference. The ocean is vital to our existence, and we should treat it that way.

8 0
3 years ago
During the cell cycle, the cell replicates dna. This step occurs.
allochka39001 [22]
DNA is replicated during the “S” phase (synthesis).
5 0
2 years ago
what is the name of the process of liquid water changing into water vapor due to heating? A. respiration B. evaporation C. photo
Andreas93 [3]
B.) Evaporation
it says i have to ad more charcecters sooooo here ya gooooooo
3 0
4 years ago
Read 2 more answers
A plate moves 200 m in 10,000 years. What is its rate in cm/year?
ValentinkaMS [17]

Answer:

B. 2cm/year

Explanation:

To convert 200m to cm, we multiply by 100.

This will be 200*100= 20,000cm

Time is given as 10,000years

Rate in this case is the ratio of distance to time

Rate= distance/time

Rate= 20,000cm/10,000years

Rate=2cm/year

5 0
4 years ago
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