The simplest living animal is the ________
a. cnidarian
b. placozoan
c. sponge
d. flatworm
b
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Which brain region is most likely to contribute to the establishment of motor memory, the ability to perform complex
motor skills?
a. frontal cortex b. cerebellum c. hypothalamus d. amygdala e. brain stem
A bacterial pathogen has just entered the body of a person. Describe the sequence of events that lead to
the production of enzymes that will hydrolytically destroy the bacterial cell, beginning with events in the nucleus and ending with destruction of the pathogen.What will be an ideal response?
During ________ proteins are moved from the cytoplasm to the membrane or periplasmic space, while during ________ proteins are moved from the cytoplasm to the external environment.
A. translocation; translation B. secretion; translation C. transcription; translation D. secretion; translocation E. translocation; secretion
Stanley Miller's experiment that applied electric sparks to a reducing atmosphere of methane, ammonia, water, and hydrogen showed that under these conditions,
a. nucleotides can form. b. amino acids can form. c. amino acids can polymerize into polypeptides. d. nucleotides can polymerize into nucleic acids.