Which group of gymnosperms is represented by only one surviving species?
A. Gnetophytes
B. Pines
C. Ginkgoes
D. Cycads
E. Conifers
Answer: C
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Which of the following couples would NOT ordinarily be encouraged to seek genetic counseling?
A. Those who plan to raise large families. B. Those with a child who has an inherited disorder or birth defect. C. Those who are first cousins. D. Those who have had babies who died in infancy or before birth. E. Those whose occupations may pose a risk to pregnancy.
A clam is a(n)
A) arthropod. B) mollusk. C) echinoderm. D) chordate. E) arachnid.
Jill is lost in the desert and ran out of water six hours ago. What physiological effect or response would most likely occur in this situation?
A. decrease in blood osmolarity B. decreased thirst sensation C. increased permeability of the collecting ducts in the kidney D. decreased release of ADH from the posterior pituitary E. increased release of atrial natriuretic hormone
If a scientist were studying the role of different proteins in the regulation of insulin secretion from a pancreatic cell, they would be studying
A. both proteomics and cell biology. B. cell biology. C. both genomics and proteomics. D. genomics. E. proteomics.