According to the clip, what is the main function of photosynthesis?
a) harvest energy from glucose
b) harvest energy from carbon dioxide
c) release oxygen into the atmosphere
d) make sugars for food
e) make green plant materialff
Ans: d) make sugars for food
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Which of the following statements about villi is correct? (Select all correct choices.)
A. Villi can be found in both the jejunum and the ileum. B. Villi serve to increase surface area. C. Villi allow for enhanced nutrient absorption. D. Villi move food particles through the digestive tract. E. Villi secrete multiple types of digestive enzymes.
In rapidly dividing cells, expression of BRCA1 and BRCA2 genes is the highest during the ____
a. mitosis to cytokinesis transition b. G1/S transition and into S phase c. G2/mitosis transition d. S/G2 transition e. metaphase to anaphase transition
The goal of immunization is to ____
a. limit the amount of time a person is ill with a disease b. induce immunity to disease c. enable infected individuals to recover from specific diseases d. expose individuals to a disease e. elicit an allergic response
Which of the following describes primary succession?
a. succession on land that previously had no life
b. succession that moves a community away from equilibrium
c. succession in response to a natural disturbance
d. succession characterized by equilibrium