During which of the following steps of the TCA cycle does substrate-level phosphorylation take place?
A) TCA-2
B) TCA-3
C) TCA-4
D) TCA-5
E) TCA-6
D) TCA-5
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An example of gene regulation at the level of translation is the ability of the Bicoid protein to repress translation of caudal mRNA and for Nanos protein to repress translation of hunchback mRNA
A. true B. false
What do cephalopods and crustaceans have in common?
a. they both have sharp, tearing beaks. b. both have compound eyes. c. both are nektonic predators. d. in males, both transfer spermatophores into the female.
Based on the figure, which of the following is true of HIV?
A. It uses reverse transcriptase from the cell to make DNA.
B. It replicates in the nucleus of cells.
C. It contains DNA as its genetic material.
D. It is an enveloped virus.
E. It lyses cells when it is released.
The correct sequence of sensory processing is _____
A) sensory adaptation ? stimulus reception ? sensory transduction ? sensory perception B) stimulus reception ? sensory transduction ? sensory perception ? sensory adaptation C) sensory perception ? stimulus reception ? sensory transduction ? sensory adaptation D) stimulus reception ? sensory perception ? sensory adaptation ? sensory transduction