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. your control culture

B. one of your mutant cultures

C. water

D. BG-11 media

Question #2

You will measure optical density at ________ nm.

A. 1000

B. 750

C. 500

D. 700

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. anthocyanin

B. chlorophylls

C. B-Carotene

D. lutein

Question #5

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

A. your eyes

B. binoculars

C. a compund light microscope

D. a dissecting scope