Declining amphibian populations are correlated with four of the following. Which one is the exception?
A. Habitat loss
B. Introduction of non-native species
C. Long-term changes in climate
D. Evolutionary changes in amphibians
E. Fungal infections and parasitic diseases
Answer: D
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DNA probes
A. may be obtained from denatured tagged dsDNA. B. may be obtained from similar genes from another organism. C. may be synthesized usually using information based on the protein sequence. D. are usually tagged dsRNA. E. may be obtained from denatured tagged dsDNA, may be obtained from similar genes from another organism, AND may be synthesized usually using information based on the protein sequence.
Which one of the following types of white blood cells is capable of phagocytosis?
A) eosinophils B) basophils C) neutrophils D) B lymphocytes E) both eosinophils and B lymphocytes
M. xanthus has an alternate motility type, known as ________ motility, because it is exhibited by single cells that leave the group, perhaps scouting for prey and requires a multiprotein motility "machine."
Fill in the blank(s) with the appropriate word(s).
Which of the following statements regarding connective tissue is MOST correct?
A) Connective tissue is enclosed by fascia. B) Connective tissue can transmit electrical impulses. C) Skeletal muscle is a type of connective tissue. D) Connective tissue binds other types of tissue together.