________ pump protons to keep the internal proton concentration of lysosomes high
Fill in the blank with correct word.
Answer: ATP-dependent proton pumps
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The functional group shown above is ____
a. a carbonyl group b. a hydroxyl group c. a phosphate group d. an amino group e. a carboxyl group
Sea otter populations were reduced by overhunting, allowing an overgrowth of one of their prey
animals, the ____, which consumed populations of ____ and decimated them.
a. crabs; shrimp b. abalone; algae c. sea urchin; kelp d. harbor seals; fish e. crab; kelp
A friend makes the argument that transgenic crops have only been used to enrich large corporations, not to improve people's health. What is the best counterexample?
A. Glyphosate-resistant soybeans B. Golden rice C. Bt maize D. Cre-Lox
A sea urchin is a member of the phylum
A) Echinodermata. B) Mollusca. C) Annelida. D) Platyhelminthes. E) Arthropoda.