Chapter 8 Test

Question 1

The entire molecule shown in the diagram is called a(n)

Answer 1

nucleotide

Question 2

The genetic code in the DNA depends upon the order of

Answer 2

bases

Question 3

The transfer of DNA to mRNA is called

Answer 3

Transcription

Question 4

An x-ray crystallography photo, taken by which of the following scientists, played an integral role in the discovery of the DNA double helix?

Answer 4

Franklin

Question 5

If mRNA has a sequence of CUCAAGUGCUUC, the anticodons would be

Answer 5

GAG-UUC-ACG-AAG

Question 6

Which of the following sequences of processes correctly reflects thee central dogma?

Answer 6

DNA–>RNA–>Protein

Question 7

Every 3 bases in mRNA that codes for a particular amino acid is called a(n)

Answer 7

codon

Question 8

which if the following would represent the strand of DNA from which the mRNA strand CUCAAGUGCUUC was transcribed?

Answer 8

GAGTTCACGAAG

Question 9

Which type of chromosome mutation is shown below?

Answer 9

inversion

Question 10

the enzymes responsible for adding nucleotides to the exposed DNA bases during replication are

Answer 10

DNA polymerases

Question 11

Molecules of DNA are composed of long chains of

Answer 11

nucleotides

Question 12

refer to your codon chart. what is the portion of the protein molecule coded for by a piece of mRNA with the sequence CUCAAGUGCUUC

Answer 12

Leu-Lys-Cys-Phe

Question 13

During DNA replication, a complementary strand of DNA is made from the original DNA strand. If a portion of the original strand is CCTAGCT, then the new strand will be

Answer 13

GGATCGA

Question 14

the amount of guanine in an organism is always equal to the amount of

Answer 14

cytosine

Question 15

which is the correct order for DNA replication?

Answer 15

unwinding/unzipping, base pairing, joining, recoiling