33. What is an integral protein? a. a protein that is required for biochemical r

Question

33. What is an integral protein? a. a protein that is required for biochemical reactions to occur b. a protein that is embedded in a membrane because it has hydrophobic sections c. a protein that allows the immune system to recognize foreign cells d. a protein that holds cells together 34. A protein whose shape has been changed and is thereby rendered non-functional is said to have been: a. denatured b. inhibited c. deactivated d. broken 35. What is it called when a chemical other than a substrate binds to the active site of an enzyme? a. feedback inhibition c. mutation b. non-competitive inhibition d. competitive inhibition 36. Which of the following is not a type of junction in animal cells? a. gap junction c. plasmodesmata b. anchoring junction d. tight junction 37. Which of the following processes is secretion an example of? c. active transport d. exocytosis a. endocytosis b. pinocytosis 38. One cell taking in and digesting a smaller cell is known as "cell eating" or: c lysozyme d. exocytosis a. phagocytosis b. pinocytosis 39. Which of the following does not affect the rate of enzymatic reactions? c. cell size d. substrate concentration a. temperature b. pH 40. Energy is required to get any chemical reaction going. What do we call that energy? c.catalysis d. kindling a. initiation energyb. activation energy

Explanation / Answer

33)- option b is correct because it is embedded in phospholipid bilayer.

34)- option a iscorrect because after denaturation the shape of protein is changed.

35)- option d is correct because in it the the shape of inhibitor and substrate is same.

36)- option c is correct because only three types of cell junctions present between cells.

38)-option a is correct because in it cell engulf the solid particles.

39)- option c is correct because there is no role of size on enzyme reaction.

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