Lipids found in the cytoplasmic membranes of all eukaryotic cells are
A) polyunsaturated fats.
B) phospholipids.
C) steroids.
D) waxes.
E) triglycerides.
B
Bloom's Taxonomy: Knowledge
Section: Organic Macromolecules
Learning Outcome: 2.21
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What is the trade-off in nutrient availability concerning clay soils?
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If oxygen were present in the Earth's primitive atmosphere, then according to one hypothesis
A. the processes leading to the origin of life would occur. B. organic molecules could not form from inorganic molecules. C. reduction reactions would have been possible. D. None of these answers is correct.
Which type of transmembrane protein is directly responsible for maintaining the propagation of action potentials across an axon once it has been initiated?
A) Sodium-potassium pumps B) Voltage-gated potassium channels C) Voltage-gated sodium channels D) Voltage-gated calcium channels E) Ligand-gated ion channels
Which amino acid is least soluble in water?
A. Alanine B. Glutamine C. Glycine D. Isoleucine 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 solubility in water? 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?