AP (Advanced Placement) Biology: Questions 725 - 728 of 899

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Question 725

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Question

MCQ▾

M cells are associated with

Choices

Choice (5)Response
a.Bone tissue
b.Nervous tissue
c.Cartilage nous tissue
d.Intestinal tissue
e.Muscle tissue

Question 726

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Question

MCQ▾

Bacteria under unfavorable condition can form endospores. Which of the following statement best describes endospore?

Choices

Choice (5)Response
a.They are the only means of reproduction during favorable condition in bacteria.
b.They are formed after transformation as observed in some enteric bacteria.
c.They are a survival mechanism for bacteria formed when resources become limited or conditions hostile.
d.They are a fully functioning and metabolizing reduction of the original bacterium adapted to the harsher conditions that triggered their formation.
e.These are asexual structures which are analogous to the conidia of fungi.

Question 727

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Question

MCQ▾

Which of the following antibody classes are involve in the protection against microbial invasion through the intestinal mucosa?

Choices

Choice (5)Response
a.IgD
b.IgA
c.IgG
d.IgM
e.IgE

Question 728

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Question

MCQ▾

Although the human brain makes up about 2 percent of total body mass but it consumes about 25 percent of the energy budget. Why?

Choices

Choice (5)Response
a.Neurons structure does not allow them to store and metabolize glycogen.
b.The brain is relatively inefficient when compared to muscle cells in functioning.
c.Neurons are able to convert glucose to glycogen for energy storage.
d.Number of cells in the brain are many more than the rest of the body combined.
e.All neurons must generate huge amounts of energy to maintain membrane polarity.