Bio 378 Practice Quiz #1

Multiple Choice (1 point each)

1.  Cartilage is a type of tissue.

a.)  muscle b.) epithelial c.) connective d.) nervous

2.  The movement of a molecule across a cell membrane that requires energy is called .

a.)  Facilitated diffusion b.) osmosis c.) active transport d.) passive transport

3.  Red blood cells in an isotonic solution .

a.)  Swell b.) do nothing c.) swell and burst d.) shrink

4.  A substance that can be dissolved in a liquid is a .

a.)  Solution b.) solute c.) solvent d.) concentration

5.  During , the cells duplicated chromosomes separate, and spindles shorten and pull individual chromosomes towards the centrioles.

a.)  Prophase b.) metaphase c.) anaphase d.) telophase

6.  Peroxisomes contain , which are involved in the metabolism of toxins such as hydrogen peroxide and alcohol.

a.)  Ribosomes b.) chromosomes c.) enzymes d.) phospholipids

Short Answer (2 points each)

7.) Blood clotting occurs as a result of a sequential activation of clotting factors; the activation of one clotting factor results in the activation of many. What term(s) describe this phenomenon?

8.) I am one of the primary tissues that’s is important for contraction, movement, support, and heat production. What tissue am I?

9.) I am a cell found in the epithelial tissue. I have little intercellular material and no blood vessels. I am attached to connective tissue and I cover surfaces. They say I look flattened in shape, which gives me my name. What type of epithelial cell am I?

10.) In a cell the synthesizes proteins, stores molecules, transports material, and neutralizes drugs or toxins.

11.) The are filled with digestive enzymes in which they digest foreign substances and damaged organelles within the cell.

12.) The direct movement of DNA strands during cell division.

13.) Hemolysis occurs when cells are placed in solutions.