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2.2.2 quiz: transcription
question 8 of 10
2 points
the genetic information in a cell flows:
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a. from rna to dna in the nucleus.
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b. from genes to alleles to proteins.
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c. from dna to rna to proteins.
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d. from the cytoplasm to proteins in the nucleus.
submit

The correct answer is C).

Explanation:

The genetic information that is encoded in a cell flows in the sense DNA, RNA and then the translation into proteins (amino acid sequence), which is stated by the genetic code. This states the relationship between the sequences of three nucleotides (codons), and amino acids. For each codon corresponds to a specific amino acid. Ex: AAG codes for Alanina.

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.