What would be the consequence if an individual was homozygous for an IBP that could not bind iron but could bind to the IRE?
A. Unregulated transferrin receptor levels
B. Increased degradation of ferritin
C. Possible iron toxicity to the cells at levels of iron that would not normally be toxic to a cell
D. There would be no predicted consequence to iron metabolism in the cell
C
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Which of the following is true of eukaryotic replication initiation?
A. Origins are identified in G2 of the cell cycle. B. The prereplication complex (preRC) assembles at the beginning of S phase. C. The initiator protein, or origin recognition complex (ORC), binds to the conserved elements of the ARS in G1. D. The helicase is a component of the replication complex (RC) but not the preRC. E. The RC forms in M phase of the cell cycle.
An acoelomate is an animal that
A. has a coelom. B. has a pseudocoelom. C. has both a coelom and a pseudocoelom. D. has neither a coelom nor a pseudocoelom. E. has a coelom during early development but later loses it.
Diploid cells contain how many sets of chromosomes?
a. 1 b. 2 c. 3 d. 4
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Figure 39.7A
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Use the figure above to answer the following question.
The teeth designated by the letter "D" in the above figure are called ____.
A. canines B. premolars C. incisors D. molars E. wisdom teeth