Large proteoglycan aggregates may contain a hyaluronin molecule bound to the core protein of multiple proteoglycan molecules.
a. true
b. false
Ans: a. true
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Rubisco's enzymatic activity is stimulated by NADP+ and ADP
a. True b. False
The occurrence of an RNA world early in the history of life can never be proven, but experiments with _____ have
shown that it is feasible. a. in vitro evolution b. Darwin’s evolution c. indirected evolution d. chemical evolution e. biological evolution
The most common method of asexual reproduction in protists is ________.
A. cytokinesis B. fission C. fragmentation D. budding
________ are a component of the immune system that are able to destroy cancer cells by deploying toxins into infected cells as a means of killing them. In this role they are cytotoxic—that is, "cell killing."
A) Natural killer cells B) Phagocytes C) Antibodies D) B cells