Author Question: Protecting a sample from light is best done by: a. placing the sample in an amber-colored tube b. ... (Read 67 times)

moongchi · **on:** Jun 25, 2018

Protecting a sample from light is best done by:
a. placing the sample in an amber-colored tube
b. All tubes protect the sample from light.
c. wrapping aluminum foil around the sample
d. both A and C

Question 2

Circadian changes are best described as:
a. changes through the course of a year b. hour by hour changes
c. cyclical changes throughout the day d. changes every 10 years