DNA, RNA, and protein synthesis

Question 1

What does DNA stand for?

Answer 1

deoxyribonucleic acid

Question 2

Why is DNA unique?

Answer 2

-it contains our genetic code
-it replicates itself exactly

Question 3

What are the 3 parts of a nucleotide?

Answer 3

5-carbon sugar, phosphate group, and nitrogen base

Question 4

What are the 4 nitrogen bases in DNA?

Answer 4

Adenine, cytosine, guanine, thymine

Question 5

What are the purines?

Answer 5

Adenine and guanine

Question 6

What are the pyrimidines?

Answer 6

Thymine and cytosine

Question 7

What did Chargaff discover?

Answer 7

A=T and C=G

Question 8

What holds the DNA molecule together

Answer 8

Hydrogen bonds

Question 9

What is the enzyme that unzips the 2 strands in DNA replication?

Answer 9

DNA helicase

Question 10

What are the 3 types of RNA?

Answer 10

Messenger, transfer, and ribosomal

Question 11

What is transcription?

Answer 11

Code of DNA is copied onto RNA

Question 12

What are the monomers of DNA?

Answer 12

Nucleotides joined together by peptide bonds

Question 13

How many rings do purines have?

Answer 13

1

Question 14

How many rings do pyrimidines have?

Answer 14

2

Question 15

What is the backbone of DNA?

Answer 15

Alternating sugar and phosphate groups