A(n) interoceptor is located within a body organ. Indicate whether the statement is true or false
True
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Aposematic coloring occurs when ____
a. coloration serves as a disguise b. a harmless species resembles a repellant one c. two or more repellant species resemble one another d. an individual can increase its size when threatened e. repellant species exhibit bright, contrasting patterns
Studies of human egg formation have shown that at ovulation the egg cell is stuck in metaphase II and
only completes meiosis if a sperm enters the egg. In metaphase II, chromosomes are tightly condensed, so you should expect to find ____ in human egg cells that have not been entered by sperm.
a. very high levels of gene expression b. mostly euchromatin c. very little gene expression d. no nucleosomes e. no solenoids
What is the vector used in gene therapy?
a. bacterial plasmids b. lipids c. genetically engineered viruses d. single nucleotides e. more than one of these
Among the mammals, only some primates (including most humans) have color vision. What was the likely advantage that probably drove the evolution of primate color vision?
A. the ability to identify grains most appropriate for domestication B. the ability to find ripe fruit C. the ability to identify plants with medicinal value D. the ability to prepare for winter as portended by autumn colors of leaves E. the ability to enjoy the aesthetic value of flowers