When calculating a molecule's Svedberg coefficient, the rate of sedimentation is affected by the molecule's ________
A) size
B) mass
C) shape
D) size and shape
E) mass, size, and shape
Answer: D
You might also like to view...
Host defense mechanisms—ways in which the body protects itself from pathogens—can be thought of as an army consisting of how many lines of defense?
A) 2 B) 3 C) 4 D) 5
Some microbes are not capable of growing on artificial media as pure cultures.
Answer the following statement true (T) or false (F)
If houseplants must be left unattended for a length of time, some people recommend placing plastic bags over them. What is the reasoning behind this?
a. Water tension will decrease. b. The plants won't freeze. c. Photosynthesis will increase because of trapped carbon dioxide. d. Transpiration will be slowed and more water will be retained in the soil. e. The bag will trap oxygen.
The taller a Brazil nut tree is, _____
1. the more valuable it is as a source of lumber 2. the less useful it is to harpy eagles 3. the greater its photosynthetic rate relative to neighboring plants A) 1 only B) 1 and 2 C) 1 and 3 D) 2 and 3