Compare and contrast the mechanisms of the sodium-potassium pump and glucose-sodium cotransport systems. What will be an ideal response?


Concepts to Consider: Role of carrier proteins; role of ATP; direction of solute transport;
solute gradients; conformational changes.

Biology & Microbiology

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Which of the numbered respiratory complexes is not correctly paired with its name?

A) complex I: NADH dehydrogenase complex B) complex II: succinate-coenzyme Q oxidoreductase complex C) complex III: coenzyme Q-cytochrome c oxidoreductase complex D) complex IV: cytochrome c reductase complex E) none of the above

Biology & Microbiology

Which neurotransmitter functions to elevate mood?

a. acetylcholine b. epinephrine c. dopamine d. serotonin e. GABA

Biology & Microbiology

DNA technology has revolutionized forensic science. Several unsolved cases have been solved with this type of evidence, and some convicted persons have been exonerated with DNA evidence. What is the type of technology shown in the image?

a) Gel Eletrophoresis b) Centrifugation c) DNA splicing d) Polymerase Chain Reaction

Biology & Microbiology

In meiosis, homologous chromosomes align next to one another during

a)interphase I. b)metaphase II. c)prophase I. d)metaphase I. e)prophase II.

Biology & Microbiology