An example of an inorganic molecule is
A. CaCl2.
B. C2H6.
C. C2H5OH.
D. C3H5(OH)3.
A. CaCl2.
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The control of the cell cycle involves all of the following EXCEPT
A. Proteins cyclins and cyclin-dependent kinases are responsible for advancing a cell through the phases. B. G2 checkpoint which checks for DNA damage, determines if all of the DNA is replicated. C. Metaphase checkpoint which determines if all chromosomes are attached to the spindle apparatus. D. Cytokinesis which involves the formation of cleavage furrow to separate the cells. E. The restriction point determines if conditions are favorable for cell division.
The choanoflagellates are in the supergroup:
A. Opisthokonta B. Rhizaria C. Amoebozoa D. Stramenopila E. Alveolata
The mechanism of DNA synthesis differs between the two new daughter strands during replication. This is due to the fact that
A. the DNA strands run antiparallel to each other and the DNA polymerase can only add nucleotides to the 3' end of the growing strand. B. both daughter strands can't extend toward the replication fork because there would not be room for two DNA polymerase enzymes. C. one RNA primer attaches to the 5' end of the parent strand and the other primer to the 3' end. D. both RNA primers attach to the 3' end of the template strands, which are at opposite ends from each other.
When a farmer grows cotton containing the gene for Bt toxin, they often leave a strip of non-Bt cotton around the outside of the field for what reason?
A. because the non-Bt cotton does not drive the moths and caterpillars to extinction B. because the non-Bt cotton grows better C. to allow some RR bollworm caterpillars to survive and limit selection pressure for resistance D. to allow some rr bollworm caterpillars to survive E. to allow the non-Bt and Bt cotton plants to cross-pollinate