Apologia Biology Quiz 5

46 Questions | By Macbeth3n1 | Last updated: Mar 19, 2022 | Total Attempts: 217

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Questions from module 5 to help with study guide and quiz.

Questions and Answers

1.

What are the basic building blocks of matter?
- A.
  
  Atoms
- B.
  
  Molecules
- C.
  
  Elements
2.

This chemical process breaks down complex modules by adding water to them.
- A.
  
  Dehydration
- B.
  
  Hydration
- C.
  
  Hydrolysis
3.

Can the two helix strands of DNA unravel?
- A.
  
  Yes
- B.
  
  No
4.

Which type of change in matter is generally reversible?
- A.
  
  Physical
- B.
  
  Chemical
- C.
  
  Both physical and chemical
- D.
  
  Neither
5.

Name the 3 phases of matter: _____, _____, _____ (no caps; separate each word by a comma and a space)
6.

How can you change a substance from one phase to another?
- A.
  
  Add heat
- B.
  
  Remove heat
- C.
  
  Add or remove heat
7.

Name the three things that make up an atom: _____, _____, _____. (separate by a single comma and space; no caps.)
8.

If an atom has 7 electrons, how many protons does it have?
- A.
  
  7
- B.
  
  14
- C.
  
  Cannot be determined
9.

What determines the vast majority of an atom's properties?
- A.
  
  Protrons
- B.
  
  Electrons
- C.
  
  Neutrons
10.

What is the charge of an electron?
- A.
  
  Positive
- B.
  
  Negative
- C.
  
  Neutral
11.

True or false: a molecule have more than one structural formula.
- A.
  
  True
- B.
  
  False
12.

True or false: two different molecules can have the same chemical formula.
- A.
  
  True
- B.
  
  False
13.

Two different molecules with the same chemical formula are called:
- A.
  
  Isotopes
- B.
  
  Isomers
- C.
  
  Nothing; they do not exist.
14.

What is removed in a dehydration reaction?
- A.
  
  Air
- B.
  
  Water
- C.
  
  Sugar
15.

The most important molecules in the study of life, organic molecules contain only this element and any of the following: hydrogen, oxygen, nitrogen, sulfur and/or phosphorous.
- A.
  
  Helium
- B.
  
  Sodium
- C.
  
  Carbon
16.

When a living organism takes small molecules and makes larger molecules, we call it:
- A.
  
  Osmosis
- B.
  
  Diffusion
- C.
  
  Biosynthesis
17.

If a solution has a pH of 5, it is:
- A.
  
  Acidic
- B.
  
  Neutral
- C.
  
  Alkaline
18.

When one substance is dissolved in another, it is a physical change, and the result is called a:
- A.
  
  Diffusion
- B.
  
  Concentration
- C.
  
  Solution
19.

This process is the random motion of molecules from an area of high concentration to an area of low concentration:
- A.
  
  Solution
- B.
  
  Osmosis
- C.
  
  Diffusion
20.

This special class of proteins act as catalysts for many of the chemical reactions that support life:
- A.
  
  Amino acids
- B.
  
  Lipids
- C.
  
  Enzymes
21.

The basic building blocks of a protein are called:
- A.
  
  Amino acids
- B.
  
  Lipids
- C.
  
  Enzymes
22.

This is the name for a substance that alters the speed of a chemical reaction, such as photosynthesis, but is not used up in the process.
- A.
  
  Glucose
- B.
  
  Solvent
- C.
  
  Catalyst
23.

This is the tendency of a solvent to travel across a semi-permeable membrane into areas of higher solute concentration:
- A.
  
  Solution
- B.
  
  Osmosis
- C.
  
  Diffusion
24.

This is a collection of atoms that all have the same number of protons:
- A.
  
  Matter
- B.
  
  Molecule
- C.
  
  Element
25.

These are chemicals that result from atoms linking together:
- A.
  
  Matter
- B.
  
  Molecules
- C.
  
  Elements

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