_____ binds to hemoglobin more strongly than oxygen does
a. Carbon dioxide c. Oxyhemoglobin
b. Carbon monoxide d. Carbonic anhydrase
B
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A molecule of water in the middle of a chunk of ice will usually have ____ hydrogen bonds with other
water molecules.
a. 3 b. 3.4 c. 6 d. 4 e. 2
The wings of a bird and the wings of a butterfly are ____ and show morphological ____
a. homologous; convergence b. analogous; convergence c. homologous; divergence d. analogous; divergence e. similar; evolution
Which of the following is a special binding substance that enhances immunogenicity and prolongs antigen retention at the injection site?
A. Booster B. Antibodies to toxin C. Adjuvant D. Gamma globulin E. "Trojan horse" recombinant vaccine
A deletion of one base pair that alters the sequences of codons is called a(n)
A. transposon B. substitution mutation C. carcinogen D. oncogene E. frameshift mutation