How are the ATP and NADPH molecules (made during the light-dependent reactions) used in the conversion of PGA to PGAL in the Calvin Benson cycle?
a. ATP donates a phosphate group and NADPH donate electrons and hydrogen.
b. ATP and NADPH both donate phosphate groups.
c. ATP provides electrons and NADPH provides a phosphate group.
d. ATP provides a carbon source and NADPH donates electrons and hydrogen.
e. ATP donates a phosphate group and NADPH provides a carbon source.
a
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John Bernal suggested that prebiotic synthesis of polymers took place on clay because
A. Clay minerals are known to bind organic molecules. B. Clay is negatively charged and attracts cations. C. Some minerals in clay attract organic monomers and catalyze chemical reactions. D. Clay minerals can attract and bind organic molecules, catalyze chemical reactions and attract cations. E. Clay is positively charged and can bind organic molecules for polymerization.
Fever response can be triggered by an endogenous pyrogen called interleukin-1.
Answer the following statement true (T) or false (F)
An individual with thrombocytopenia would be likely to experience repeated bacterial infections.
a. true b. false
The ________ of a virion determines the type of cell it enters.
A. nucleic acid B. matrix proteins C. glycoproteins D. lipid molecules E. shape