#Question id: 3487
#XL - T Zoology
Which of the following is true of innate behaviors?
A) Genes have very little influence on the expression of innate behaviors.
B) Innate behaviors tend to vary considerably among members of a population.
C) Innate behaviors are limited to invertebrate animals.
D) Innate behaviors are expressed in most individuals in a population across a wide range of environmental conditions.
E) Innate behaviors occur in invertebrates and some vertebrates but not in mammals.
#Question id: 4620
#XL - S Microbiology
The upper forelimbs of humans and bats have fairly similar skeletal structures, whereas the corresponding bones in whales have very different shapes and proportions. However, genetic data suggest that all three kinds of organisms diverged from a common ancestor at about the same time. Which of the following is the most likely explanation for these data?
#Question id: 5241
#XL - S Microbiology
Genes a, b, and c are widely spaced in the bacterial genome. Transducing phage from an a+ b+ c+ bacterium were used to infect a culture of a- b- c- cells, and b+ transductants were selected. Which of the following best describes the predicted genotypes of these transductants?
#Question id: 5598
#XL - T Zoology
The vitelline envelope of the sea urchin egg
#Question id: 15174
#XL - S Microbiology