Chapter 27 Quiz 1

The genetic code is a (a)______________ code. Every amino acid in a protein is coded for by a sequence of three bases on a DNA strand.

• degenerate

• universal

• triplet

• non-overlapping

The code is (b) _____________. This means that more than one triplet code can code for the same amino acid.

• degenerate

• universal

• triplet

• non-overlapping

The code is (c)______________. This means that each base in a triplet code is used only once.

• degenerate

• universal

• triplet

• non-overlapping

The code is (d)______________. This means that the same triplet code codes for the same amino acid in all organisms.

• degenerate

• universal

• triplet

• non-overlapping

Which of the following correctly describes transcription?

• the synthesis of polypeptides on ribosomes

• the synthesis of mRNA using part of the DNA as a template

Which of the following correctly describes translation?

• the synthesis of polypeptides on ribosomes

• the synthesis of mRNA using part of the DNA as a template

Which of the following correctly describes a coding strand?

• the strand of DNA that serves as a template during transcription

• the strand of DNA that is not transcribed

Which of the following correctly describes a non-coding strand?

• the strand of DNA that serves as a template during transcription

• the strand of DNA that is not transcribed

Which of the following correctly describes a codon?

• a group of three consecutive mRNA bases that specifies one acid amino or a stop signal in protein synthesis

• a group of three consecutive bases in a tRNA molecule that is complementary to a mRNA codon

Which of the following correctly describes an anticodon?

• a group of three consecutive mRNA bases that specifies one acid amino or a stop signal in protein synthesis

• a group of three consecutive bases in a tRNA molecule that is complementary to a mRNA codon