After ovulation, the ovum remains fertile for about __________
a. 1 hour
b. 6 hours
c. 24 hours
d. 2 days
e. 3 days
C
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Red-green color blindness is controlled by an X-linked gene in humans. The allele that causes color blindness is recessive to the allele for normal vision. A man and woman both with normal vision had color-blind fathers. If this man and woman have a child, what is the probability that the child will be color blind?
A) 1/2 B) 1/4 C) 1/8 D) 1/3 E) 0
Which of the following chemicals has five
carbon atoms? a. phosphoglycerate (PGA) b. ribulose bisphosphate (RuBP) c. phosphoglyceraldehyde (PGAL) d. glucose e. none of these
Which of the following statements are TRUE about the structure of hemoglobin? (Select all that apply.)
a. The hemoglobin molecule is a protein made up of four subunits bound together. b. Each of the four heme groups in a hemoglobin molecule contains one atom of iron (Fe2+), to which molecular oxygen binds. c. 2,3 diphosphoglycerate increases hemoglobin's affinity for oxygen. d. The relationship between the percentage of saturation of hemoglobin and PO2 is linear.
Homeostasis is defined as the ability of an organism to
What will be an ideal response?