Which of the following is a function of meiosis?
A) Meiosis insures that genetic diversity occurs through "crossing over. "
B) Meiosis reduces the number of chromosomes in each gamete to 23.
C) Both A and B are functions of meiosis.
D) Neither A nor B is a function of meiosis.
C
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As a result of the newly installed metal detectors, Bob was caught bringing a gun to school. He claims that he just wanted to show it to his history teacher. Based on what you know about teens who carry guns, what do you think might be another possible motive?
a. Bob is interested in the physics of weapons. b. Bob wants to help protect his friends from other bullies at school. c. Bob is looking for respect by intimidating his peers with a gun. d. Bob is trying to protect himself, having been threatened by other kids at school.
. ?A patient comes to a doctor's office complaining of memory difficulty. List three possible reasons for the patient's memory problem. Compare and contrast the possibilities you choose
What will be an ideal response?
One function of the nervous system is to send information to and receive information from all parts of the body
Indicate whether the statement is true or false.
When you enter a darkened theatre, it takes a while before you can see your surroundings clearly. The most likely explanation for this phenomenon is that
A. the lens needs time to accommodate to the change in lighting. B. the glutamate in rods has been depleted and more must be synthesized. C. the visual system switches slowly between processing inputs from cones to inputs from rods. D. it takes about 30 minutes for rhodopsin to regenerate after it has broken apart in response to light.