In photosynthesis conducted by plants, ATP is made by
A. the Krebs cycle.
B. chemiosmosis.
C. the passing of electrons from photosystem I to an electron transport chain.
D. glycolysis.
E. the Calvin cycle.
Answer: B
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A mass extinction of large mammals occurred during the ________ epoch
Fill in the blank(s) with correct word
Preimplantation genetic diagnosis is done:a
on cells of an in vitro fertilized embryo. b. in the womb, before birth. c. after a woman is pregnant, but before the embryo implants. d. with the help of ultrasound. e. before fertilization on the sperm and the egg.
Antigen presenting cells
A. include dendritic cells. B. include macrophages. C. hold and present processed antigen on their cell membrane surface. D. engulf and modify antigen to be more immunogenic. E. All of these choices are correct.
Trait SpeciesABCDE100100210101310101411100511110611110The table shows the distribution of traits (A-E) in six extant species (1-6). A "0" indicates the ancestral condition, and a "1" indicates the derived condition. Which pair of species shares the fewest number of derived characters (synapomorphies)?
A. 6 and 3 B. 1 and 6 C. 4 and 6 D. 1 and 4 E. 2 and 3