Staphylococcal ________ are relatively
heat-stable, so they maintain pathogenicity in warm food and are even stable to stomach acidity
a. amylases
b. enterotoxins
c. lysins
d. proteases
Answer: B
You might also like to view...
A scientist performs an experiment in which they create an artificial cell with a selectively permeable membrane through which only water can pass. They inject a 5M solution of glucose into the cell and then place the cell into a beaker containing 10M glucose. What effect do you expect to observe?
A. Water moves out of the cell B. Glucose moves out of the cell C. No net change in cell weight D. Water moves into the cell E. Glucose moves into the cell Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you know about osmotic concentration? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? 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?
. Coliforms are
A. Gram-negative. B. rod-shaped. C. non-spore forming. D. lactose-fermenting with acid and gas formation. E. All of the choices are correct.
The first primates with an angled skull base that were probably able to make a wide range of sounds to aid speech were
A) Homo habilis. B) Homo erectus. C) Homo afarensis. D) Homo sapiens.
What are the correct steps of muscle contraction starting with ACh?a.ACh diffuses across the synaptic cleft.b.The sarcolemma generates an impulse that moves down the T tubules into the sarcoplasmic reticulum.c.ACh binds to receptors in the sarcolemma.d.The sarcomere contraction produces a myofibril contraction.e.Calcium is released causing the sarcomere contraction.
A. a - c - b - e - d B. d - a - b - e - c C. a - b - c -e - d D. c - e - d - a - b