In the chloroplast, cytochrome b6f is an important complex in the photosynthetic electron transport chain because it accepts electrons from photosystem II and donates them to photosystem I
Another vital function of cytochrome b6f is that during its reduction-oxidation
cycle it pumps ______ from the _____.
A. hydrogen ions; stroma into the thylakoid
B. electrons; stroma into the thylakoid
C. hydrogen ions; thylakoid into the stroma
D. electrons; thylakoid into the stroma
A
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Fermentation involves the use of pyruvate and/or other organic molecules as electron acceptors.
Answer the following statement true (T) or false (F)
It is usually beneficial to add nitrogen when one attempts to stimulate hydrocarbon degradation in the ocean.
Answer the following statement true (T) or false (F)
The scientific method includes all of the following except ________.
A. experimentation B. publication C. observation D. hypothesis
The meninges are composed of:
a. bone and dura mater only. b. dura mater and arachnoid only. c. arachnoid and pia mater only. d. dura mater, pia mater, and arachnoid only. e. bone, dura mater, pia mater, and arachnoid.