Honors Bio Unit 1 DNA and RNA

Question 1

What does DNA stand for?

Answer 1

Deoxyribonucleic acid

Question 2

What does RNA stand for?

Answer 2

Ribonucleic acid

Question 3

What are the 3 parts of a nucleotide?

Answer 3

5-carbon sugar, Nitrogen Base, and a phosphate group

Question 4

What are the 4 Nitrogen Bases in DNA

Answer 4

Adenine (A), Thymine(T), Cytosine (C), Guanine (G)

Question 5

What Nitrogen Base changes in RNA

Answer 5

Thymine (T) to Uracil (U)

Question 6

This Enzyeme Unzips DNA

Answer 6

DNA Helicase

Question 7

What is the complementary DNA strand of
ATA CGC AGC TAG ?

Answer 7

TAT GCG TCG ATC

Question 8

What is DNA shaped like?

Answer 8

A doubled Helix

Question 9

3 stop codons

Answer 9

UAA UAG UGA

Question 10

2 things that make DNA and RNA different

Answer 10

1. DNA is a 2 strands, and RNA is 1
2. RNA has Uracil, DNA has Thymine

Question 11

What is the Universal start codon?

Answer 11

AUG - Methionine

Question 12

What are 3 types of RNA?

Answer 12

mRNA : Messenger
tRNA : Transfer
rRNA Ribosomal

Question 13

What does DNA polymerase do?

Answer 13

Joins a New strand of DNA and a old strand of DNA to make a perfect replica

Question 14

4 Scientist who discovered the structure of DNA?

Answer 14

1. Maurice Willkins
2. Rosalind Franklin
3. James Watson
4. Francis Crick

Question 15

What are the building blocks of DNA?

Answer 15

Nucleotides