How many alleles are there of each SNP?
A. one
B. two
C. three
D. four
E. any number, depending on the SNP
B
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Which of the following is a secondary sexual trait?
A. Ovulation in females B. Pproduction of semen in males C. Facial hair in males D. Ovaries in a female E. Testes in males
After hemoglobin binds carbon dioxide, it is known as
A. carbaminohemoglobin. B. alpha hemoglobin. C. deoxyhemoglobin. D. beta hemoglobin. E. oxyhemoglobin.
Why is it difficult for protons (H+) to move across phospholipid bilayer membranes?
A. Protons are too hydrophobic to pass through membranes. B. Protons are too large to pass through the membrane. C. There are no proteins in membranes to allow protons through. D. The positive charge on protons prevents them from passing through the hydrophobic interior of membranes.
Match the organism to the supergroup it belongs.
Cestoda A) Opisthokonta B) Amoebozoa C) Excavata D) Chromalveolata