Which of the following is TRUE of a typical skeletal muscle?
A) It is found in the walls of organs such as the digestive tract.
B) Its fibers do not have a striped appearance under the microscope.
C) It can be enlarged by exercise.
D) It is only found in heart tissue.
C
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What will be an ideal response?
During which phase does crossing-over occur?
a. interphase b. prophase I c. metaphase I d. prophase II e. metaphase II
In people, a dimpled chin is an autosomal dominant trait. Many famous celebrities, such as John Travolta and Michael and Kirk Douglas, have this condition
Assume that the wrestler and actor Hulk Hogan is homozygous for the dimpled chin, and he married a woman with a round chin. They had two children, Brooke and Nick. What is the probability that their children will show the trait? A) 75% B) 25% C) 50% D) 0% E) 100%
Pure water without applied pressure has a water potential that is equal to
A. atmospheric pressure. B. 1.6 MPa. C. 0.0 MPa. D. infinity. E. -2.0 MPa.