Which of the following is an accurate statement about A-B toxins?
A) The A and B components must remain attached in order to exert their effects on the cell.
B) They are a type of endotoxin.
C) The A component binds to a receptor on the host cell.
D) They are proteins.
Ans: D) They are proteins.
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Carrier proteins are saturated at which point?
The diagram shows the rate of diffusion into a cell using carrier proteins.
A. 1
B. 2
C. 3
D. 4
Clarify Question
· What is the key concept addressed by the question?
· What type of thinking is required?
Gather Content
· What do you know about carrier proteins? What other information is related to the question?
Choose Answer
· Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?
Reflect on Process
· Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Histamine
a. causes blood vessels to contract. b. causes capillaries to lose their permeability. c. causes an outward flow of fluids from the capillaries. d. reduces tissue swelling. e. enhances the function of cytokines.
Much has been learned about the relationship between genes and gene products through the use of the mold Neurospora. What specific attributes make Neurospora a good organism for such studies?
What will be an ideal response?
Blood pressure is measured with a(n) ________ and a stethoscope
Fill in the blank(s) with correct word