4.1 Reading Quiz

Question 1

What is the first tenet of the cell theory

Answer 1

Every living organism is composed of one or more cells

Question 2

What is the second tenet of the cell theory

Answer 2

Every cell derived from a preexisting cell

Question 3

What are the six characteristics of life

Answer 3

Composed of one or more cells, reproduce independently using DNA, obtain energy from environment to support metabolism, sense environment and respond, homeostasis, evolve as a group

Question 4

Small, infectious agent that can only replicate inside a living cell

Answer 4

Virus

Question 5

The process of maintaining constant internal conditions

Answer 5

Homeostasis

Question 6

All the chemical reactions that occur inside living cells, including those that release and store energy

Answer 6

Metabolism

Question 7

The complete set of genes of an organism

Answer 7

Genome

Question 8

acts as a set of instructions for building an organism and directs the structure, function and behavior of every cell

Answer 8

DNA

Question 9

The basic unit of information, consisting of a stretch of DNA, that codes for a distinct genetic characteristic

Answer 9

Gene

Question 10

The smallest unit of life, microscopic, self-contained units enclosed by a protective membrane

Answer 10

Cell

Question 11

The repeating subunit of DNA, consisting of sugar deoxyribose, a phosphate, and one of the four bases: A,T, G,C

Answer 11

Nucleotide