In some circumstances, when two different carbon sources are available, growth will occur first using one carbon source, then after a short lag period, growth will resume using the second carbon source. This process is called ________ growth.
A. diauxic
B. bimorphic
C. alternating
D. dimorphic
Answer: A
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A membrane is more “fluid” than solid because
a. phospholipid tails prevent close packing. b. proteins can shift positions. c. water is the main component. d. phospholipid tails prevent close packing, and proteins can shift positions. e. phospholipid tails prevent close packing, proteins can shift positions, and water is the main component.
The Enterobacteriaceae do not produce oxidase compared to the pseudomonads that do produce oxidase.
a. true b. false
Cnidarians capture their prey with the use of
(a) poison claws. (b) nematocysts. (c) oral teeth. (d) pedal disks.
Cleft palate is a hereditary condition in which the maxillae do not completely fuse before birth. Which of the following activities likely will be more difficult with cleft palate?
A) breathing B) looking over the shoulder C) eating and speaking D) salivating