Cell Review and Scientific Method

Nucleoids are only found in which type of cell?

• Eukaryotes

• Animal Cells

• Plant Cells

• Prokaryotes

As the size of a cell increases, the surface area to volume ___________

• increases

• decreases

• remains the same

In what ways are chloroplasts and mitochondria alike?

• They function to provide energy to the cell

• They each contain their own DNA and ribosomes

• They can both reproduce by splitting in half.

• All of the above are correct for both

What is the term that describes when a cell expends energy to pump molecules across its membrane against their concentration gradients?

• Facilitated diffusion

• Passive transport

• Osmosis

• Active transport

What part of the cell membrane keeps the fluidity of the membrane?

• phospholipid

• cholesterol

• integral proteins

• glycoproteins

In order for a solute to pass through a cell membrane via diffusion, it must be all of the following except __________.

• nonpolar

• hydrophobic

• charged

• small

The picture shows phagocytosis in which the cell membrane surrounds & pinches off a large particle into a vesicle or vacuole. This is an example of

• endocytosis

• exocytosis

• facilitated diffusion

• osmosis

Which of the following statements about the Golgi apparatus are NOT true

• the cis end of the Golgi receives proteins from the ER

• breakdown toxic metabolic wastes

• proteins are packaged and modified for shipment

• the trans end of the Golgi transfers proteins to the membrane

Which of the following structures are present in ALL eukaryotic cells?

• cell wall

• cell membrane

• nuclear membrane

• cell membrane and nuclear membrane

A plant cell loses its water to its surrounding environment. What type of solution is in the plant cell cytoplasm?

• hypertonic

• hypotonic

• isotonic

• none of the above