Question

Question 432 pts

This process happens when oxygen is not available and uses pyruvate as a terminal electron acceptor.

Group of answer choices

glycolysis

respiration

fermentation

tricarboxylic acid cycle

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Question 442 pts

When a disease disease is present in a particular community or environment year round.

Group of answer choices

epidemic

endemic

pandemic

outbreak

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Question 452 pts

Which of the following statements is true of B-cells?

Group of answer choices

they must be presented an antigen by a T-cell

they present antigens using MHC molecules

they recognize MHC molecules

none of the above

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Question 462 pts

Which of the following contributes to the formation of dental cavities?

Group of answer choices

S. mutans

sucrose

glucans

all of the above

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Question 472 pts

Twenty-two female tourists visiting Indonesia broke out with severe blisters and rashes mostly on the ear lobes, fingers, and lips. Eighteen of these people had smaller patches of blisters on various body parts. No males were affected. Which of the following is the most likely explanation for this outbreak of problems?

Group of answer choices

Contact hypersensitivity from soup cups made out of coconut shells

Contact hypersensitivity from earrings made of cashew husks.

Delayed hypersensitivity due to fungi in the environment.

Allergic rhinitis from pollen of tropical plants

Answer 1

Question 423-Answer is fermentation in fermentation pyruvate is terminal electron acceptor it is in reduced form secreted in cells as waste product then oxidised.

Question 442-Answer is endemic this is present year round, in a given geographic area.

Question 452-Answer is they present antigens using MHC molecules

Question 462-Answer is all the above.mutans,sucrose and glucans contribute to dental cavities

Question 472-Contact hypersensitivity from earrings made of cashew husks.These cashew husk contain poisonous substance that can cause hypersensitivity reactions blisters are spread to body by contact with the infected region and rest of the options can equally affect men also but in this case earrings are used by women leading to hypersensitivity conditions.