Unit 2-Environmental And Genetic Control Of Metabolism

Question 1

A substance that encourages the growth of microorganisms

Answer 1

Growth Medium

Question 2

Complex growth medium used for microorganisms

Answer 2

Beef Extract

Question 3

Earliest growth phase of microorganisms

Answer 3

Lag Phase

Question 4

Exponential phase of microorganism growth

Answer 4

Log Phase

Question 5

Growth phase of a microorganism which involves the rapid increase in cell numbers

Answer 5

Exponential Growth

Question 6

Phase of microorganism growth during which secondary substances are made

Answer 6

Stationary Phase

Question 7

The phase at which the death rate of cells exceeds the rate of cell division

Answer 7

Death Phase

Question 8

The time taken for a microorganism cell to divide

Answer 8

Generation Time

Question 9

A substance that causes a gene to be expressed, often leading the production of an enzyme.

Answer 9

Inducer

Question 10

Substance that is needed to start a metabolic pathway

Answer 10

Precursor

Question 11

Substance produced during the stationary phase of growth of a culture of microorganisms

Answer 11

Secondary metabolites

Question 12

Conditions which do not contain contaminating microorganisms

Answer 12

Sterile

Question 13

Total number of cells in a culture (Viable and non viable)

Answer 13

Total Cell Count

Question 14

Number of live cells from a total cell count

Answer 14

Viable Cell Count

Question 15

An issue which affects human attitudes and decisions regarding various choices

Answer 15

Ethical Issue

Question 16

Used to carry genetic material from one cell to another

Answer 16

Genetic Vector

Question 17

A danger that happens as a consequence of an activity

Answer 17

Hazard

Question 18

Deliberately increasing the rate of mutation in an species

Answer 18

Mutagenesis

Question 19

DNA is moved from one species to another

Answer 19

Recombinant DNA Technology

Question 20

A calculated chance of a potential hazard occurring

Answer 20

Risk