Chapter 4: Genetics and Cellular Function

Question 1

Explain the structure of DNA

Answer 1

Nitrogenous bases bound together by hydrogen bonds

Question 2

What nitrogenous bases around bound together and by how many bonds?

Answer 2

A-T ( 2 hydrogen bonds)
C-G (3 hydrogen bonds)

Question 3

How does the DNA structure relate to its function?

Answer 3

By law of complementary base pairing -one strand determines base sequence of the other

Question 4

A segment of DNA coding for the synthesis of a specific protein

Answer 4

GENE

Question 5

Gene is a segement of DNA coding for the sythesis of a __ __

Answer 5

specific protein

Question 6

All the genes of one person

Answer 6

Genome

Question 7

Genome plays the role in ___ ___ and regulation of ____ _____

Answer 7

chromosome structure
gene activity

Question 8

Explain DNA storage

Answer 8

Question 9

An information-containg segment of DNA that codes for the production of a molecule of RNA that plays a role in sythesizing one or more proteins

Answer 9

Gene

Question 10

Gene plays a role in the synthesizing ___ or ___ ______

Answer 10

one or more proteins

Question 11

Body can make millions of different proteins from just ____ and encoded by genes made of just ____

Answer 11

20 amino acids
four nucleotides

Question 12

A system that enables these four nucleotides to code for amino acid sequence of all proteins

Answer 12

Genetic Code

Question 13

Minimum code to symbolize 20 amino acids is __ ____

Answer 13

Three nucleotides per amino acid

Question 14

Explain protein synthesis

Answer 14

Question 15

Explain DNA Replication

Answer 15

Question 16

Explain peptide formation

Answer 16

Question 17

Explain the cell cycle

Answer 17

Question 18

Explain the miotic phase

Answer 18