In a shoot, where is the apical meristem located?
a. in the terminal bud
b. in the center
c. in the immature leaves
d. in the leaf hair
e. in the ground tissue
ANSWER: a
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The terminator versus anti-terminator function of the T box-based riboswitch used by Gram-positive bacteria to regulate amino acid-related genes is determined by
A. the binding of the T box binding protein. B. the utilization of the appropriate sigma factor by RNA polymerase. C. the rate of leader peptide synthesis. D. the binding of the appropriate uncharged tRNA.
The above figure is a photomicrograph of what kind
of tissue? a. cardiac muscle b. skeletal muscle c. smooth muscle d. cartilage e. dense connective
Each of the following is an activity of a microtubule motor protein during mitosis except
A) shortening kinetochore microtubules. B) pulling kinetochore microtubules in at centrosomes. C) pushing interpolar microtubules for anaphase B. D) pulling astral microtubules toward the cell cortex. E) All of the above are activities of microtubule motors.
If a cell contained a mutation in the gene that encodes FtsZ, which process would be affected?
A. septation B. DNA Synthesis C. cohesin cleavage D. prophase E. cytokinesis