Biology, 07.02.2021 23:30, dinajathomas0407
Which of the following occurs as electrons are passed to various proteins through the electron transport chain [in the light-dependent reaction]?
A. Two hydrogen ions are bound to a free oxygen ion, generating a molecule of water.
B. They attach to NADPH, forming NADP+.
C. An electrochemical gradient of protons across the thylakoid membrane is established.
D. They are boosted to an even higher energy level.
Answers: 3
Biology, 22.06.2019 08:00, cailinhannon4828
Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4
Answers: 2
Biology, 22.06.2019 16:00, shaydog6353
Abird flies by moving its wings up and down. which two systems are most directly responsible for the movement of a bird's wings? a. skeletal and muscular systems b. respiratory and muscular systems c. skeletal and digestive systems d. respiratory and digestive systems
Answers: 1
Which of the following occurs as electrons are passed to various proteins through the electron trans...
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