Which of the following is a part of the cell theory?

AAll cells contain a nucleus

BOrgans are the basic units of life

CNew cells arise spontaneously on their own

DNew cells are produced from existing cells

1. When using a light microscope to view a cell she obtained from scraping under her fingernails, Mrs.
   

Wolfinger notices that the cell lacks a nucleus; therefore, Mrs. Wolfinger concludes that the cell must be a

type of ______ cell.

AAnimal

BProkaryotic

CEukaryotic

DPlant

1. The organelle responsible for breaking down and recycling macromolecules is called
   

Amitochondria

Blysosome

Cribosome

Dcytoskeleton4. The solid purple arrow is pointing to a cell organelle that is responsible for storing the DNA. What is the

name of this organelle?

AGolgi apparatus

BEndoplasmic reticulum

CNucleus

DRibosome

1. The dashed blue arrow is pointing to a collection of tiny organelles that are responsible for making
   

proteins. What is the name of this organelle?

AGolgi apparatus

BEndoplasmic reticulum

CNucleus

DRibosome8. In osmosis, water moves across a membrane from a solution of

ALow concentration to a solution of high concentration until both solutions are isotonic

BHigh concentration to a solution of low concentration until both solutions are isotonic

CLow concentration to a solution of high concentration until all of the water is on one side of the

membrane

DHigh concentration to a solution of low concentration until all of the water is on one side of the

membrane

1. An animal cell that is placed in a hypertonic solution will _________ because water will move _______ the cell.
   

Aburst, into

Bburst, out of

Cshrink, into

Dshrink, out of

1. Compared to small cells, large cells have more trouble
   

Amoving needed materials in and waste products out.

Bdividing.

Cproducing daughter cells.

Dstoring needed materials and waste products.