Which group posses a nucleus?
a. None of these
b. Archaea
c. Prokaryotes
d. Eukaryotes
e. Bacteria
d
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An examination of the processes of muscle contraction in fishes is an example of a(n) ____
a. ecological study b. taxonomic study c. anatomical study d. physiological study e. homeostatic study
If organs are analogous to the body, which of the following are organelles analogous to?
a. an eukaryote b. a prokaryote c. a cell d. an animal
The 12.011 in the diagram for Carbon specifies:
a. The number of protons in Carbon b. The number of neutrons in Carbon c. The number of electrons in Carbon d. The atomic number of Carbon e. The atomic mass of Carbon
Brown-eye genes are dominant over blue-eye genes. What is the best explanation for the fact that all the blue-eye alleles have not disappeared in the human population?
A) Some blue alleles are always hidden in heterozygotes. B) The population is likely in Hardy-Weinberg equilibrium for that locus. C) Brown-eyed people sometimes have a blue-eyed parent. D) People with brown eyes tend to choose mates with brown eyes, and blue-eyed people tend to choose mates with blue eyes.