Biology 3 Ch 3

Which of the following cell membrane components are present in plant cells but absent in animal cells? a. plasmodesmata b. proteins c. gap junctions d. phospholipids e. carbohydrates

a. plasmodesmata

Which of the following is the outermost feature on the surface of a plant cell? a. lipid bilayer b. cholesterol c. sugar molecules d. cell wall e. glycoproteins

d. cell wall

Which cellular structure makes it possible for a cell to differ structurally and biochemically from its surroundings? a. plasma membrane b. nucleus c. nucleolus d. cell wall e. endoplasmic reticulum

a. plasma membrane

The movement of H+ ions into the stomach represented in this figure is accomplished through: a. simple diffusion. b. active transport. c. endocytosis. d. osmosis. e. facilitated diffusion.

b. active transport.

Which of the following is NOT a function of the plant vacuole? a. physical support b. photosynthesis c. predator deterrence d. waste management e. nutrient storage

b. photosynthesis

The object depicted in the figure: a. is a ribosome. b. is a bacterial cell. c. is an animal cell. d. is a plant cell. e. could be either a plant or an animal cell.

c. is an animal cell.

Which statement is NOT part of modern cell theory? a. Cellular reactions include both energy-releasing and biosynthetic types. b. Cells contain hereditary information that passes from one generation of cells to the next. c. All living organisms consist of one or more cells. d. The first cell arrived on earth from outer space. e. Cells arise from other cells.

d. The first cell arrived on earth from outer space.

The passive transport of water across a membrane from a solution of lower-solute concentration to a solution of higher-solute concentration is best described as: a. general diffusion. b. passive transport. c. active transport. d. osmosis. e. facilitated diffusion.

d. osmosis.

Which of the following is the most important factor governing a cell's particular type of interaction with other cells a. whether the cell is either an animal cell or a plant cell b. the type of animal the cell came from c. the location of the cell within an organism d. the pattern of proteins on the cell's surface e. whether the cell is either eukaryotic or prokaryotic

d. the pattern of proteins on the cell's surface

The organelle in the figure is found in: a. plants, animals, and bacteria. b. bacteria only. c. plants only. d. animals only. e. plants and animals.

e. plants and animals.