Cal State LA » Biology » Biology 1100 - Principles of Biology » Fall 2019

Question #1

When measuring the optical density of your cultures, you will use ________ as a blank.

A. BG-11 media

B. water

C. one of your mutant cultures

D. your control culture

Question #2

You will measure optical density at ________ nm.

A. 1000

B. 500

C. 700

D. 750

Question #3

When you graph the growth of your cultures, you will plot the _____ of your three replicates.

A. middle

B. average

C. lowest

D. highest

Question #4

The pigment _____ make(s) cyanobacteria green.

A. lutein

B. chlorophylls

C. B-Carotene

D. anthocyanin

Question #5

To check the color of your cultures, you will use ____.

A. your eyes

B. a dissecting scope

C. a compund light microscope

D. binoculars