Principles Of Biology - Phospholipid Quiz

62 Questions | By Akparker | Last updated: Mar 22, 2022 | Total Attempts: 322

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Principles Of Biology - Phospholipid Quiz - Quiz

This quiz covers the materials in lecture handouts 5, 6, and 8. This quiz mainly covers these topics: phospholipids, enzymes, and types of transport.

Questions and Answers

1.

If it is perfectly symmetrical than it is ______?
- A.
  
  Nonpolar
- B.
  
  Polar
2.

The cell membrane is mostly lipid so it is _____?
- A.
  
  Nonpolar
- B.
  
  Polar
3.

What crosses the cell membrane without the help of a protein?
- A.
  
  Polar substances
- B.
  
  Nonpolar substances
4.

What letters are short for Adenosine Triphosphate?
5.

Facilitated diffusion requires ATP.
- A.
  
  True
- B.
  
  False
6.

Integral proteins are required for active transport using vesicles.
- A.
  
  True
- B.
  
  False
7.

Nonpolar molecules cross the cell membrane from an area of higher concentration to an area of lower concentration via ________? (multiple answers)
- A.
  
  Facilitated diffusion
- B.
  
  Simple diffusion
- C.
  
  Passive transport
- D.
  
  Active transport
8.

Oxygen crosses the cell membrane via ______?(multiple answers)
- A.
  
  Passive transport
- B.
  
  Active transport
- C.
  
  Facilitated diffusion
- D.
  
  Simple diffusion
9.

K+ moves from an area of high concentration to low concentration via ______?(multiple answers)
- A.
  
  Facilitated diffusion
- B.
  
  Simple diffusion
- C.
  
  Active transport
- D.
  
  Passive transport
10.

K+ moves from an area of low concentration to high concentration via ______?(multiple answers)
- A.
  
  Simple diffusion
- B.
  
  Facilitated diffusion
- C.
  
  Active transport
- D.
  
  Passive transport
11.

A white blood cell would engulf a bacterium using what specific type of transport?
- A.
  
  Passive transport using osmosis
- B.
  
  Active transport using pumps
- C.
  
  Active transport using vesicles
12.

All types of transport require a membrane.
- A.
  
  True
- B.
  
  False
13.

Steroids cross the cell membrane via _______.
- A.
  
  Lipids- passive transport- simple diffusion
- B.
  
  Lipids- active transport- facilitated diffusion
- C.
  
  Lipids- passive transport- osmosis
14.

Anything that has a charge will cross the cell membrane via facilitated diffusion.
- A.
  
  True
- B.
  
  False
15.

All molecules using passive transport move along their concentration gradient.
- A.
  
  True
- B.
  
  False
16.

Osmosis always refers to the movement of what across the membrane?
17.

Active transport always uses pumps.
- A.
  
  True
- B.
  
  False
18.

Active transport never moves anything along its concentration gradient.
- A.
  
  True
- B.
  
  False
19.

When you breathe in oxygen it crosses from your alveoli into your blood via _______.(multiple answers)
- A.
  
  Passive transport
- B.
  
  Active transport
- C.
  
  Simple diffusion
- D.
  
  Facilitated diffusion
20.

Lipids are generally _______.
- A.
  
  Hydrophobic
- B.
  
  Hydrophilic
21.

Sometimes one end of a lipid is hydro____ while the other end is hydro____.
22.

Phospholipids are specialized lipids. They have a _______ group at one end, which makes that end hydrophilic. The other end remains hydrophobic.
23.

Glycerol has only ____ carbons.(how many)
24.

A phospholipid has a hydrophilic head and only ___ fatty acid tails.(how many)
25.

What are the monomers of nucleic acids?

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