What would you predict would happen in an area of the body where blood was relatively acidic (low pH)?
a. O2 would bind more readily to hemoglobin.
b. CO2 would bind more readily to hemoglobin.
c. O2 would release from hemoglobin.
d. CO2 would release from hemoglobin.
e. Binding of O2 by hemoglobin would cease.
ANSWER: c
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The E. coli origin, oriC, contains:
A. four 9-base-pair consensus sequences. B. three AT-rich direct repeats. C. eleven GATC sites. D. four 9-base-pair consensus sequences and three AT-rich direct repeats. E. four 9-base-pair consensus sequences, three AT-rich direct repeats, and eleven GATC sites.
A ________ is an organism that requires the intake of chemical compounds such as carbohydrates, fats, and proteins.
Fill in the blank(s) with the appropriate word(s).
You have been assigned to analyze some extraterrestrial material recently collected from Mars. After examining a sample using a microscope you jump up excitedly and shout to your colleagues that you have confirmed the existence of life on Mars. One of your colleagues takes a look at your sample and remarks that all he sees is a single-celled "blob" with little internal structure. Assuming that life on Mars can be classified into similar domains and kingdoms as Earth, to which domain does your "blob" belong?
A. Archaea B. Fungi C. Protista D. Animalia Clarify Question 1. What is the key concept addressed by the question? 2. What type of thinking is required? 3. What key words does the question contain and what do they mean? Gather Content 1. What do you know about different domains?How does it relate to the question? Consider Possibilities 1. What other information is related to the question? Which information is most useful?If the only clue was single celled which could be correct? Choose Answer 1. Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process 1. 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?
What must pyruvic acid be converted to before it can enter the citric acid cycle?
A) acetyl CoA B) lactic acid C) ethyl alcohol D) citric acid