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4 years ago

15. Use the chart below to determine the amino acid sequence of the following strand of mRNA.

Biology

2 answers:

elena-14-01-66 [18.8K]4 years ago

8 0

Should be : UACUUCCCGACU

lesya692 [45]4 years ago

6 0

In order to read the information from a copy of mRNA, we need to read three bases one at a time. This set of three bases is called as a codon and each codon is specific for a particular amino acid. Let's put a gap between the codons, so that we could read them easily and find the respective amino acid.

mRNA strand: AUG AAG GGC UGA

amino acids: Methionine Lysine Glycine STOP codon

So there are three amino acids and one stop codon, which is like a signal for the cell to stop translation.

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4. Which of the following statements best describes how the traits of an organism are determined

butalik [34]

Answer Choices:

DNA provides the energy needed for an organism to grow and function

DNA is copied into mRNA, which controls cellular functions

DNA codes for proteins, which allow an organism to grow and function

DNA unzips and each strand codes for a different amino acid

Answer:

DNA codes for proteins, which allow an organism to grow and function

Explanation:

DNA provides the energy needed for an organism to grow and function - this is false. DNA does not provide energy. A molecule called ATP, mostly produced by cellular respiration, provides energy for the cells to grow and function.

DNA is copied into mRNA, which controls cellular functions - this is false. While it is true that DNA is copied into mRNA, mRNA does not directly control cellular functions. Instead, mRNA is translated into proteins.

DNA codes for proteins, which allow an organism to grow and function - this is true, as indicated above, DNA is transcribed to mRNA which is translated into proteins. Proteins carry out essentially all the functions in the cell

DNA unzips and each strand codes for a different amino acid - this is false, DNA is transcribed into mRNA. Each mRNA codon (three bases) codes for a different amino acid

6 0

3 years ago

Please help ____________ measure the temperature variations in the universe.

Art [367]

I had this question I think it’s gamma rays

4 0

3 years ago

Which option identifies the outcome of the following scenario?

JulsSmile [24]

Answer:

I believe the answer is 'She will have a high energy level due to the carbhohydrates in the bread group'

Explanation:

or The reason is that Carbs are sugars and sugars are known to give you energy if you don't overdo the carbs/sugars. Marianne had the tuna sandwich for lunch then pasta for dinner but for breakfast, she had eggs that are protein so she could have energy starting from breakfast then had lunch which carried on that energy.

Hope this helped :)

5 0

3 years ago

Which of the following are necessary for a seed to germinate?

Tasya [4]

The answer is a im pretty sure

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3 years ago

Explain why meiosis cannot happen without mitosis.

Oksi-84 [34.3K]

The mechanism is straightforward: in Metaphase one of Meiosis, chromosomes line up in two lines, with homologous across from each other, which allows them to interact by crossing over. In Metaphase of Mitosis, the chromosomes are all lined up single file, so the homologous chromosomes cannot interact.

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3 years ago