What is the approximate Q10 value for most enzymes?
A. 0.2
B. 2
C. 5
D. 10
E. 20
B. 2
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If the frequency of PKU, an autosomal recessive disease, is 1% in males, what is the frequency of females with PKU? (You may assume that the population is in Hardy-Weinberg equilibrium.)
What will be an ideal response?
Examples of long-day plants are:a
poinsettia. b. florist's chrysanthemum. c. spinach. d. black-eyed Susan. e. both spinach and black-eyed Susans.
The functions of the casparian strip include all of the following EXCEPT.
A. controlling materials that enter the vascular cylinder B. enabling a one-way passage of water and nutrients into the vascular cylinder C. forcing water to pass in between cells of the endodermis D. Keeping valuable nutrients inside the vascular cylinder
The first reptiles were the sail-back
A. dinosaurs. B. therapsids. C. pelycosaurs. D. thecodonts.