Chap 8

Question 1

Who figured out that DNA is a double helix based on Rosalind Franklin’s data?

Answer 1

Watson and Crick

Question 2

T or False: E. Coli has 4300 genes

Answer 2

True

Question 3

Copying of genetic material

Answer 3

DNA Replication

Question 4

Polymerase that replicates

Answer 4

DNA polymerase

Question 5

Polymerase that transcribes

Answer 5

RNA Polymerase

Question 6

DNA Replication makes

Answer 6

nucleotides–>nucleic acid

Question 7

This process creates a transcript of the message from DNA, makes mRNA.

Answer 7

Transcription….

Question 8

translation

Answer 8

translatate into protein

Question 9

Initiation of DNA Replication STARTS at ….

Answer 9

oriC

Question 10

Splits DNA into single strand for copying

Answer 10

DNA Helicase

Question 11

Gene expression can be controlled by a __________. This allows cell to produce only what is needed, nothing more.

Answer 11

supressor

Question 12

Permanent change in the DNAof an organism. Can be beneficial harmful or neutral

Answer 12

Mutation. Can be spontaneous or induced.

Question 13

How are dimers caused?

Answer 13

dimer is mutation caused by induced mutation that blocks the bases

Question 14

This mutation has no effecton the protein

Answer 14

silent mutation

Question 15

These jumping genes are carried on a plasmid and move from one DNA location to antoerh

Answer 15

transposons

Question 16

This enzyme patches a new piece of DNA to repair it

Answer 16

Ligase

Question 17

Exonuclease cleaves what?

Answer 17

DNA

Question 18

What is the AMES test for?

Answer 18

to identify if something can cause a mutation.