If the ciliary muscle of the eye is damaged, then
a. color vision will be lost.
b. the amount of light entering the eye cannot be regulated.
c. proper focusing will be impossible.
d. only peripheral vision is available.
e. "night blindness" will become more evident.
C
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Which of the following species does NOT fit
in the type III survivorship curve?
a. bees b. humans c. salamanders d. snakes e. goldfish
In a certain variety of plants, a cross between a red-flowered plant and a white-flowered plant
produced an all-red flower F1. In the F2 there were 140 red, 50 cream, and 65 white. (a) Offer an explanation for this F2 ratio. (b) What ratio would be produced in a testcross of the F1 hybrid? (c) What ratio would be produced if all the white F2 plants were crossed among themselves? What will be an ideal response?
Which is a major group of enzyme-linked receptors?
a. G proteins b. ion channels c. tyrosine kinases d. phospholipases e. adenylyl cyclases
Imagine a balloon is made from a membrane that's permeable to water but not sugar molecules. How would the balloon be affected if it is filled with a 50% sugar solution and then placed in a beaker of water?
What will be an ideal response?