Which of the following is not a function of the digestive system?
A. to ingest food
B. to digest food into small nutrients so that the molecules can pass through membranes
C. to eliminate indigestible remains
D. to deliver oxygen to the body's tissues
E. to absorb nutrient molecules
Answer: D
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Which pre-mRNA processing mechanism allows different proteins to be produced from the same DNA sequence?
a. transposition b. alternative splicing c. intron shuffling d. intron splicing e. open reading frame shuffling
Imagine that you have been transported light years away to another planet with water-filled oceans. This distant planet has a barometric pressure of 1,000 mm Hg at sea level and air that contains 15 percent O2. Would you take in much more oxygen, much less oxygen, or about the same amount of oxygen per breath on this planet as you would on Earth?
A. much less oxygen on the distant planet B. much more oxygen on the distant planet C. about the same amount of oxygen as on Earth 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 earth’s atmosphere? 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 toxins produced by the deadly poisonous Amanita virosa, the destroying angel, that causes liver failure are
a. aflotoxins b. amatotoxins c. phallotoxins d. basidiotoxins e. both b and c
Complement and interferon are specific kinds of antibodies.
Answer the following statement true (T) or false (F)