Yeasts are ________ fungi, and moulds are __________ fungi.
a. macroscopic, microscopic
b. unicellular, multicellular
c. motile, nonmotile
d. water, terrestrial
Answer: b. unicellular, multicellular
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Which of the following statements about action potentials is correct?
A) Action potentials for a given neuron vary in magnitude. B) Action potentials for a given neuron vary in duration. C) Action potentials are propagated down the length of the axon. D) Movement of ions during the action potential occurs mostly through the sodium pump.
Elaborate on why discovering endospores was important to microbiology
What will be an ideal response?
Tom is choking on a piece of steak that is stuck in his trachea, and he signals for his young son to call 911. It takes the paramedics four minutes to reach his house. Will this be in time to save Tom (and why), or will Tom already be dead (and why)?
A. Tom will be alive since the myoglobin in his muscles will release oxygen into the blood after he stops breathing. B. Tom will be dead due to the lowered pH of his blood. C. Tom will be dead since all the hemoglobin in his arterial blood will unload its oxygen during the first pass through the tissues after his last breath. D. Tom will be alive since he had a reserve of about three-quarters of his hemoglobin still bound to oxygen when he started choking. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about oxygen transport? What other information is related to the question? Choose Answer Given what you now know, what information 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?
The eukaryote cell membrane is composed of
A. Sterols B. Proteins C. Phospholipids D. All of these E. Only sterols and phospholipids