Ch 17.2

Question 1

What makes up a dna molecule:

Answer 1

-5-carbon sugar
-base DNA and RNA (A,T,C,G,U)
-phosphate group(p)

Question 2

Two types of nucleic acids in cells

Answer 2

-deoxyribonucleic acid.
Provides genetic code

-Ribonucleic acid
Helps form and assemble DNA

Question 3

Cells provide ___ (Embedded in the nucleus)

Answer 3

Genetic Code

Question 4

Chromosomes are made of _ strands of DNA

Answer 4

2

Question 5

3 major steps in Central Dogma

Answer 5

1: Replication: Copying DNA before cell division

2. Transcription: Producing a working copying of mRNA that is carried out to the nucleus
3. Translation: using mRNA copy to produce proteins

Question 6

Turns DNA into RNA and then into Proteins

Answer 6

Central Dogma

Question 7

Parental strands serve as a template for the new complementary strands (1 old 1 new strand of DNA)

Answer 7

Semi- conservative

Question 8

All cells must___ prior to cell division

Answer 8

Replicate DNA

Question 9

Effects of mutations

Answer 9

-Can cause silent mutations: have no effect

-Mutations may result in cell death or cancer

-Some mutations may be beneficial

Question 10

5’ ACTCCGCATAA 3’

Answer 10

3’ TGAGGCGTATT 5’