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. water

B. your control culture

C. BG-11 media

D. one of your mutant cultures

Question #2

You will measure optical density at ________ nm.

A. 700

B. 1000

C. 750

D. 500

Question #3

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

A. average

B. lowest

C. middle

D. highest

Question #4

The pigment _____ make(s) cyanobacteria green.

A. anthocyanin

B. B-Carotene

C. lutein

D. chlorophylls

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