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

Biology & Microbiology

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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.

Biology & Microbiology

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

Biology & Microbiology

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

Biology & Microbiology

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

Biology & Microbiology