Bio chapter 12 test

Question 1

What happens during the process of translation?

Answer 1

The cell uses information from RNA to make proteins

Question 2

What did Griffith observe when he injected a mixture of heat-killed, disease-causing bacteria and live harmless bacteria into mice?

Answer 2

The mice developed pneumonia

Question 3

DNA replication results in two DNA molecules,

Answer 3

each with one new strand and one original strand

Question 4

DNA is copied during a process called (into more DNA)

Answer 4

replication

Question 5

What is produced during transcription?

Answer 5

RNA molecules

Question 6

How many codons are needed to specify three amino acids

Answer 6

3

Question 7

Which of the following include all the others?

Answer 7

chromosomes

Question 8

Genes contain instructions for assembling

Answer 8

proteins

Question 9

RNA contains the sugar

Answer 9

ribose

Question 10

What is a nucleotide found in DNA?

Answer 10

deoxyribose +phosphate group+cytosine

Question 11

Avery’s experiments showed tat bacteria are transformed by

Answer 11

DNA

Question 12

In eukaryotes, DNA

Answer 12

is located in the nucleus

Question 13

The transfer of a section of 1 chromosome to a nonhomologous chromosome is known as

Answer 13

translocation

Question 14

The DNA molecule has a ladder-type structural organization. Each rung off this ladder represents

Answer 14

a pair of nitrogenous bases

Question 15

What type of nucleic acid molecule is is present in the nucleus of a cell?

Answer 15

Both DNA and RNA molecules

Question 16

What type of nucleic acid molecule consists of chains of nucleotides?

Answer 16

Both DNA and RNA molecules

Question 17

What type of nucleic acid molecule carries genetic information from the nucleus to the ribosomes?

Answer 17

RNA molecues