Which of the following may result from prenatal exposure to the Zika virus?
A. Anencephaly
B. Holoprosencephaly
C. Hydrocephaly
D. Microcephaly
E. Schizencephaly
Answer: D. Microcephaly
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In the figure above, which species is the stronger competitor?
A) species 1 B) species 2 C) Both species compete equally. D) It is not possible to tell from this figure.
Homologous chromosomes can be defined as:
A. pairs of chromosomes that cannot undergo DNA hybridization. B. pairs of chromosomes that match in size and appearance. C. pairs of chromosomes that share the same genes but differ in gene order. D. identical double helices of DNA that are the products of DNA replication. E. pairs of chromosomes between different species that carry approximately the same genes in the same locations.
The light independent reactions of photosynthesis take place in the stroma
1.True 2.False
Carbon skeletons for amino acid biosynthesis are supplied by intermediates of the citric acid cycle. Which intermediate would supply the carbon skeleton for synthesis of a five-carbon amino acid?
A) succinate B) malate C) citrate D) ?-ketoglutarate E) isocitrate