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Tanzania [10]
3 years ago
12

What determines the sequence of the mRNA codons?

Biology
1 answer:
TEA [102]3 years ago
5 0

Answer: DNA

Explanation:

mRNA is the complement of the DNA template strand. Transcription (process that makes mRNA) requires DNA and nucleotides (A,U,G and C)

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A man heterozygous for blood type A marries a woman heterozygous for blood type B. What could be the possible blood types of the
GenaCL600 [577]

Answer:

Heterozygous A: AO (remember, O type blood is a recessive allele. It's masked by A)

Heterozygous B: BB (h0m0zygous)

AO x BB --> AB, BO

Therefore, the genotypes of their offspring will be 1 AB to 1 BO, while the phenotypes will be 1 AB blood to 1 B blood.

I hope this answer helps you find what your looking for! :)

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What similarities and differences do you see between the bacteria and the human cells? Are these cells prokaryotes or eukaryotes
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Eukaryotic cells contain membrane-bound organelles, including a nucleus. Eukaryotes can be single-celled or multi-celled, such as you, me, plants, fungi, and insects. Bacteria are an example of prokaryotes. Prokaryotic cells do not contain a nucleus or any other membrane-bound organelle.


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How can radar be used for forecast weather?
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Which of the following statements best defines the term operon? a. An operon is a region of RNA that consists of the coding regi
denis-greek [22]

The correct answer is: c. An operon is a region of DNA that codes for a series of functionally related genes under the control of the same promoter.

Operons contain cluster of genes that are transcribed together into mRNA or are not expressed at all. Formed mRNA undergos splicing to create monocistronic mRNAs so that can be translated separately. Operons are more often found in prokaryotic cells but it can appear in eukaryotic cells and in viruses.  

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Intrinsic factor A. increases gastric motility. B. causes the release of stomach acid. C. facilitates the absorption of vitamin
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Answer:

C. facilitates the absorption of vitamin B12.

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The Intrinsic factor is a substance that is produced by the stomach and it has the important function of producing vitamin B12 which is necessary for life. Vitamin B12 is used in the production of mature red blood cells. It also improves the function of the nervous system. The production of this intrinsic factor is a very vital role of the stomach because, in the absence of a stomach, for example, in the case of a gastrectomy, a person can only survive if he is given injections of Vitamin B12.

The stomach also serves as a holding center for food and eventually delivers the food to the small intestine and the duodenum.  

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