Land plants are descended from ____
Fill in the blank with the appropriate word.
algae
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What occurs at the cellular level if someone inherits Huntington's disease? a. A protein is altered in shape and function
b. A lipid is altered in shape and function. c. The nuclear envelope is altered in shape and function. d. A nucleic acid is altered in shape and function. e. The cell membrane of muscle cells is altered in shape and function.
James has been having trouble digesting lean steaks and other protein-rich foods, and these foods seem to stay in his stomach longer than usual. James is likely lacking the enzyme ____.
A. glucagon B. pepsin C. amylase D. bile E. lipase Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about enzymes that digest proteins? 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?
A group of local subpopulations is called a(n)
A) community. B) species. C) metapopulation. D) ecogroup.
The movement of substances from regions where their concentration is higher to regions where their concentration is lower is called
A. diffusion. B. exocytosis. C. active transport. D. pinocytosis. E. pumping.