In the original experiments by Stanley Miller and Harold Urey to synthesize organic molecules in an abiotic environment, which one of the following would you NOT expect to find in the collection flask?
A. urea
B. amino acids
C. ATP
D. adenine
E. formaldehyde
C. ATP
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Natural catastrophes are considered the result of ____________
Fill in the blank(s) with the appropriate word(s).
A protist with two flagella where one is wrapped around a transverse groove and the other is draped in a longitudinal groove would be a member of which group?
A. Trypanosome B. Oomycetes C. Dinoflagellate D. Ciliophora
Gene flow has a greater effect on large populations than on small populations
a. true b. false
Consider the cell cycle of a human cell. During G2, what is the state of the homologous chromosomes?
A. The homologous chromosomes have been pulled to their respective poles by the spindle apparatus. B. The homologous chromosomes have not been replicated yet. C. The homologous chromosomes are lined up on the equator of the cell. D. The homologous chromosomes are now in the haploid or n condition. E. The homologous chromosomes have all been copied through DNA replication and are beginning to condense.