The resting membrane potensial at -To mV is maintaired by which of the two a sod

Question

The resting membrane potensial at -To mV is maintaired by which of the two a sodfium-potassium pump, the cell membrane is more permeable to potassium kore caoumpotassium purng, tho cell membrane is equally permeable to ton ons b. sodium-potassiunm to sodium ions pump, the cell membrane is more d alum-potassium pump, the cell membrane is more permeable to potasoilar 31 The process of a initiating a muscle contraction involves which ion? b. K c. Ca2+ 32. As intensity increases, in which order are fibers recruited? a. type Ibx, type Ila, type I b type la, type I, type llx c. type I, type ilx, type lla d·type l' type lla, type 11x 33. Which type of contraction primarily occurs in the quadriceps (muscle on front of thigh) as a person ascends a flight of stairs? a. concentric b. isometric c. eccentric d. asymmetrical 34. Which of these sets of factors determines the rate of ATP production? substrate availability, enzyme activity b. amino acid concentration, triglyceride storage c. enzyme concentration, metabolic rate d. activation energy requirement, glycerol concentration How do products of a metabolic pathway typically help control the rate of the chemical 35. reactions? a. negatively feed back on a downstream enzyme b. positively feed back on the rate-limiting enzyme c. positively feed back on an intermediate enzyme d. negatively feed back on the rate-limiting enzyme 36. An example of a negative feedback loop in a metabolic pathway is the following: a. an increase in ATP would increase the metabolic pathway

Explanation / Answer

Please find below answers

30. C

31.B

32.C

33.C

34.A

35.C

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