AnswersBiologyDNA and Protein Synthesis

DNA and Protein Synthesis — Test Answers

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Which best describes a codon?

A
a cell structure that gives the master instructions for an organism
B
a segment of DNA that is the basis of heredity in organisms
C
the sequence of three bases that codes for a specific amino acid
D
the basic unit of structure and function of all living things
22
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Which best matches a type of genetic material with its description?

A
Nucleotides form a helical structure that is called a gene.
B
Chromosomes create genes.
C
DNA is located in the nucleus.
D
Genes combine to form structures called nucleotides.
23

Which best summarizes the process of protein synthesis?

A
DNA unzips, resulting in the formation of two protein molecules.
B
DNA makes proteins in the nucleus.
C
RNA instructs DNA to make proteins.
D
RNA moves the DNA code to the ribosomes for protein synthesis.
24

What can he assume about the number of adenine? A forensic scientist is trying to find out the number of adenine bases in the DNA sample that he obtained from a crime scene.

A
The number of adenine bases will be equal to the number of thymine bases.
B
The number of adenine bases will be equal to the total of all the other bases.
C
The number of adenine bases will be equal to the number of guanine bases.
D
The number of adenine bases will be half of the number of cytosine bases.

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