What characteristic is unlikely to be correlated with coral reefs?
a. develop in warm, clear waters near coasts or tropical islands
b. found between 25 degrees north and south
c. comprised of wave-resistant formations
d. are the least diverse marine ecosystem
e. consist primarily of secreted calcium carbonate
ANSWER: d
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Protein X contains four transmembrane domains, a short N-terminus and a long C-terminus. Following protein synthesis, the N-terminus of the protein faces the lumen (the inside) of the ER. After protein X is transported to the cell surface via exocytosis, you would expect the N-terminus of protein X to be
A. extracellular. B. cytoplasmic. C. in the lumen. D. in the lipid bilayer of the plasma membrane. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about how proteins are oriented in a membrane? What other information is related to the question? 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?
Biosynthetic reactions that require energy for the conversion of molecular subunits into larger molecules are called
A. kinetic energy. B. catabolic reactions. C. precursor molecules. D. anabolic reactions.
Cytokines assist in regulating white blood cell formation.
Answer the following statement true (T) or false (F)
Although symbiotic relationships between nitrogen-fixing bacteria and plants are rare, many plants have symbiotic relationships with
A. filamentous algae. B. mycorrhizal fungi in the soil. C. nematode worms in the soil. D. other plants. E. soil insects.