The light sensor in a Chlamydomonas cell allows it to sense both light direction and light intensity. What do we call this light sensor?
a. a vacuole
b. an eye
c. a spot
d. an eyespot
Ans: d. an eyespot
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Failure to reach equilibrium with a disease agent could result in extinction for a host species
Indicate whether the statement is true or false.
Kinases are enzymes that
A) add phosphate groups. B) do not alter target activity. C) are always inhibitory. D) remove phosphate groups. E) all of the above
Which of these are examples of the effects of rising temperatures?
a. marmots are coming out of hibernation later in the year b. plants are blooming earlier in the year c. animals that were traditionally only found in temperate areas are being found in tropical zones d. maple trees are making more syrup than ever before e. all of the above
What type of transport uses two transport proteins?
a. Uniport b. Antiport c. Symport d. None of the proteins do e. All of the proteins do