Biology Quiz Chapter 3.1-3.3

1.

1 point

Which part(s) of a phospholipid is hydrophobic?

fatty acid tails

the entire phospholipid molecule

phosphate group and glycerol head

phosphate group only

2.

1 point

What characteristics do mitochondria and chloroplast share?

both are involved in energy processes

both contain enzymes and can break down wastes

both are in animal cells

both line the endoplasmic reticulum and aid in making proteins

3.

1 point

What type of membrane allows some, but not all, materials to cross?

permeable

semipermeable

diffusible

impermeable

4.

1 point

Which part(s) of a phospholipid is polar?

phosphate head

the carbon chains

fatty acid tails

the entire phospholipid molecule

5.

1 point

What does a eukaryotic cell have that a prokaryotic cell does not?

cell membrane

cell wall

DNA

organelles

6.

1 point

Would a poison that kills human cells by blocking pores in the nuclear membrane (around the nucleus) also kill bacteria?

No, bacteria do not have pores in their nuclear membranes.

Yes, bacteria have a membrane in which the poison can act.

No, bacteria do not have a nucleus on which the poison can act.

Yes, both human cells and bacteria have a nucleus.

7.

1 point

What is the function of the nucleus?

It provides the cell with energy

It stores information

It transports materials within the cell

It makes proteins

8.

1 point

What structure is only found in plant cells?

cell wall

vacuole

vesicle

nucleus

9.

1 point

In what way are cell similar to atoms?

both are basic units or building blocks

both have electron shells

both can be viewed under a light microscope

both are alive

10.

1 point

What characteristics are shared by most cells?

Most cells have membrane-bound organelles and a nucleus

Most cells are microscopic, enclosed by a membrane, and contain cytoplam

Most cells contain cytoplasm, are enclosed by a membrane, and have a nucleus

Most cells can be seen without magnification and are enclosed by a membrane

11.

1 point

What type of receptor is located within a cell?

membrane receptors

intracellular receptor

intercellular receptor

ligand receptor

12.

1 point

Which is not a function of the cytoskeleton?

transports wastes outside the cell

supports the cell from the interior

provides strength

helps give the cell shape

13.

1 point

Which organelle is membrane-bound sac that transports material around the cell?

vacuole

endoplasmic reticulum

ribosome

vesicle

14.

1 point

What materials make up a cell membrane?

cholesterol and nucleic acids

phospholipids and proteins

phospholipids, cholesterol, and proteins

proteins, nucleic acids, and cholesterol

15.

1 point

What tool did scientist use to gather observations to form the cell theory?

thermometer

triple-beam balance

microscope

graduated cylinder