Process in a cell that involves the passage of electrons along a series of membrane-bound electron carrier molecules from a higher to lower energy level; the energy released is used for the synthesis of ATP.
What will be an ideal response?
the electron transport chain (ETC)
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Plants that are wind-pollinated characteristically have conspicuous flowers
____________________ Indicate whether the statement is true or false.
The distinctive mating signals that have evolved as part of an animal's courtship illustrate what type of reproductive
isolating mechanism? a. gametic isolation
b. temporal isolation c. behavioral isolation d. mechanical isolation e. communicative isolation
Which of the following controls the temperature in endothermic animals?
A) Reflexive skeletal muscles B) Autonomic nervous system C) Cerebral cortex D) Positive feedback systems E) Hypothalamus
Which of the following is a primary difference between ectomycorrhizae and endomycorrhizae?
A) Endomycorrhizae have thicker, shorter hyphae than ectomycorrhizae. B) Ectomycorrhizae do not penetrate root cells, whereas endomycorrhizae grow into invaginations of the root cell membranes. C) Endomycorrhizae are more common than ectomycorrhizae. D) There are no significant differences between ectomycorrhizae and endomycorrhizae.