What is the proton-motive force?
a. the force needed to move protons into the inner mitochondrial space
b. the amount of energy required to protonate a glucose molecule
c. the free energy associated with the removal of hydrogen from NADH
d. the combination of a proton and voltage gradient across the membrane
e. the synthesis of ATP from a proton gradient
D
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Which of the following statements is TRUE?
A) Lambda is a temperate phage that infects Escherichia coli. B) Lambda is a linear double-stranded DNA phage. C) Lambda is replicated by the rolling circle mechanism. D) Lambda is a temperate phage that replicates its double-stranded DNA genome with a rolling circle mechanism.
An oak tree can support hundreds of beetles, caterpillars and other primary consumers. This is an example of
A. a pyramid of biomass. B. excessive levels of primary production. C. an unusually diverse group of primary consumers. D. primary parasitism. E. an inverted pyramid.
(Note the phylogeny is drawn with diagonal branches rather than the rectangular branches seen in the text.) If the stop codon in the Brassica plant CAL gene appeared in the cauliflower lineage after broccoli and cauliflower had diverged from each other, it would be expected that
A. both broccoli and cauliflower flowers would be arrested as buds.
B. both broccoli and cauliflower would develop flowers normally.
C. broccoli would develop flowers normally, and cauliflower flowers would be arrested as buds.
D. cauliflower would develop flowers normally, and broccoli flowers would be arrested as buds.
Clarify Question
· What is the key concept addressed by the question?
· What type of thinking is required?
· What key words does the question contain and what do they mean?
Gather Content
· What do you already know about the CAL gene?
Consider Possibilities · Consider the different answer options. Which can you rule out?
Choose Answer
· Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?
Reflect on Process
· Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Following mitosis, the daughter cells are identical to the parent cell.
Answer the following statement true (T) or false (F)