Identify the processes that occur during the electron transport chain.
(Select all that apply.)
A. Carbon dioxide is released.
B. Protons are moved across a membrane against their concentration gradient.
C. Oxygen is produced as a waste product.
D. Electrons are removed from the carrier molecules NADH and FADH2.

Which of the following is an effect of the uneven heating of the earth by the sun? a sea breeze a land breeze a convection current all of the above

Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d