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. BG-11 media

C. one of your mutant cultures

D. water

Question #2

You will measure optical density at ________ nm.

A. 500

B. 1000

C. 700

D. 750

Question #3

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

A. average

B. middle

C. lowest

D. highest

Question #4

The pigment _____ make(s) cyanobacteria green.

A. chlorophylls

B. anthocyanin

C. lutein

D. B-Carotene

Question #5

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

A. a compund light microscope

B. your eyes

C. a dissecting scope

D. binoculars