AP Biology Unit 2 Test

(Questions 28-29) which dialysis tub was initially isotonic to the distilled water in the beaker?

5

(Questions 28-29) a net movement of water into the beaker occurs in which of the following dialysis tubes?

6

Which of the following is evidence that eukaryotes and prokaryotes share a common ancestor?

All eukaryotes and prokaryotes contain ribosomes

Which of the following best explains how the phospholipid bilayer of a transport vesicle contributes to cellular functions?

Allows vesicle to fuse with the Golgi and the plasma membrane (allowing exocytosis of protein)

Which of the following groups of cellular components are found in eukaryotic cells but not prokaryotic cells?

An endoplasmes reticulum, mitochondria, and a nucleus

Which of the following describes the most likely location of cholesterol in an animal cell?

Embedded in the plasma membrane

Liver cells manufacture glycoproteins while adipose cells store fat. Which of the following subcellular structures is likely to be more prominent in the liver cells than in adipose cells?

Golgi apparatus

Which of the following best explains the advantage these projections provide the cell?

Increase surface area-to-volume ratio of the cell which allows for more efficient nutrient exchange

Which of the following statements is true regarding the movement of substances across cell membranes?

Ions are unable to move through the phospholipid bilayer because the polar regions of the phospholipids are hydrophobic

Which of the following best summarizes an advantage of eukaryotic cells having internal membranes?

Isolate metabolic reactions increasing metabolic activity

Which of the following best describes the role of ribosomes in the rough er?

Location where proteins are synthesized

Which of the following processes is most likely to occur as a result of an animal cell receiving a signal to initiate apoptosis?

Lysosomes will release digestive enzymes into cytosol

Which of the following is the strongest evidence supporting the endosymbiont hypothesis?

Mitochondria have their own DNA and divide independently of the cell

Which of the following accurately describes one of the movements taking place?

Na+ is transported out if the cell requires ATP hydrolysis

Which of the following best describes a feature shown in the diagram that is unique to archaea and bacteria?

Organism doesn't have a nucleus surrounding genetic material

Which of the following experimental designs will result in the fastest net movement into chamber A?

Placing salt water in chamber a and distilled water in chamber B

Which of the following best explains why larger grapes have a different rate of water absorption per gram of mass than smaller grapes do?

Rate is slower because larger grapes have a larger surface-area-to-volume ratio than smaller grapes do

Carbon dioxide most likely enters a cell through which of the following processes?

Simple diffusion through membrane

Mercurial sulfhydryl is an inhibitor of aquaporins. Which of the following is the most likely effects of adding mercurial sulfhyydryl to the distilled water solution?

The grape cells will gain water more slowly because of a lack of facilitated diffusion

Which of the following best explains how molecules such as O2 and CO2 can move across the membrane of a cell?

The majority of the cell membrane is nonpolar which allows small nonpolar molecules to freely cross

Which of the following experimental changes would allow the scientist to observe transport of a solute across the artificial membrane?

Use a small nonpolar solute instead of a protein

Which of the following is the best scientific question about organisms living in water that is polluted with organic solvents?

Will organisms living in polluted environments exhibit detrimental effects from an increased permeability of their cellular membranes?