Groups of cells that interact and provide a specific function are defined as which of the following?
A. organ system
B. organ
C. tissue
D. tumor
Ans: C. tissue
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All of the following pertain to glycolysis except
A. it degrades glucose to CO2 and H2O. B. it occurs without oxygen. C. it occurs during fermentation. D. it involves reduction of NAD. E. it ends with formation of pyruvic acid.
The ________ is the site where lipids, triglycerides, and steroids are synthesized, as well as where calcium is stored within the cell.
A) lysosome B) smooth endoplasmic reticulum C) nucleolus D) mitochondria E) rough endoplasmic reticulum
After a protein coding gene is identified, its function can be studied by using RNA interference to activate the gene. Indicate whether the statement is true or false
As a consequence of repeated use of a drug, larger and larger doses of the drug may be necessary in order to achieve the same effect. This is a consequence of the development of:
A) sensitization B) tolerance C) withdrawal D) cross-tolerance