Chemistry/Biochemistry Study Guide

Question 1

What is the overall charge of a normal atom?

Answer 1

Neutral

Question 2

What type of bond is based on the electrical attraction between oppositely charged particles?

Answer 2

Ionic

Question 3

All organic compounds contain what element?

Answer 3

Carbon

Question 4

What is the form of matter composed of two or more elements held together by an ionic bond called?

Answer 4

Compound

Question 5

What is the name of the bond that consists of a sharing of electrons?

Answer 5

Covalent

Question 6

What is a molecule?

Answer 6

Two or more atoms held together with covalent bonds.

Question 7

What is kinetic energy?

Answer 7

Energy due to motion.

Question 8

What is potential energy?

Answer 8

Energy due to position.

Question 9

Give an example of a polysaccharide.

Answer 9

There are many, but they must contain at least two monomers.

Question 10

Iodine is a test indicator for which biological molecule?

Answer 10

Starch.

Question 11

Which organic molecule is used by the cell for growth and repair?

Answer 11

Proteins

Question 12

The molecule that is composed of 6 carbon, 6 oxygen, and 12 hydrogen atoms is called what?

Answer 12

Carbohydrate

Question 13

What is the symbol for carbon?

Answer 13

C

Question 14

Anything that occupies space and has mass is called what?

Answer 14

Matter

Question 15

Monosaccharides are grouped together to form disaccharides in a process called what?

Answer 15

Dehydration synthesis

Question 16

The hydrophillic “head” of a fatty acid is or is not attracted to water.

Answer 16

Is

Question 17

What is an ion?

Answer 17

An atom that has lost or gained an electron

Question 18

Where is the only place that nuclear reactions take place naturally?

Answer 18

The sun

Question 19

What is the basic unit of matter?

Answer 19

Atom or element

Question 20

Which type of reaction takes place in cells?

Answer 20

Chemical

Question 21

Glucose is an example of which biological molecule?

Answer 21

Carbohydrate

Question 22

How many amino acids are there

Answer 22

20

Question 23

C6H12O6 is an example of?

Answer 23

Chemical formula

Carbohydrate

Question 24

Which organic compound is found in the cell membrane?

Answer 24

Proteins

Lipids

Question 25

How many bonds does carbon form with other atoms?

Answer 25

4

Question 26

What is the smallest structure of matter?

Answer 26

Atom

Question 27

What does the pH scale measure?

Answer 27

The acidity of a substance. The number H+ and OH- ions.

Question 28

Where are acids found on the pH scale?

Answer 28

1-7

Question 29

Where are bases found on the pH scale?

Answer 29

7-14

Question 30

What pH is water?

Answer 30

7

Question 31

Do you understand different types of solutions?

Answer 31

If you don't, revisit your notes.

Question 32

What do nucleic acids do?

Answer 32

Store information

Question 33

The organic molecule which is composed of building blocks containing an amine group and a carboxyl group is called what?

Answer 33

Amino acid | Protein

Question 34

The organic group that contains oils and waxes is called what?

Answer 34

Lipids

Question 35

DNA and RNA are examples of what organic group?

Answer 35

Nucleic acids

Question 36

What is the term for the amount of energy required for a reaction to begin?

Answer 36

Activation energy

Question 37

Water is a ______ compound.

Answer 37

Polar

Question 38

A steroid is best categorized as what biological molecule?

Answer 38

Lipid

Question 39

How many electrons does a carbon atom have in its outer energy level?

Answer 39

4

Question 40

Triglycerides taht are liquid at room temperature are called what?

Answer 40

Oils

Question 41

Proteins that speed up a chemical reaction by lowering the activation energy are called what?

Answer 41

Enzymes

Question 42

Light is a form of what?

Answer 42

Energy

Question 43

Heat is a form of what?

Answer 43

Energy

Question 44

Define a gas.

Answer 44

No shape, no volume

Question 45

What are the basic building blocks of all matter?

Answer 45

Atoms

Question 46

Define a liquid.

Answer 46

No shape, definite volume

Question 47

Energy due to movement is called what?

Answer 47

Kinetic energy

Question 48

The pH of water is what?

Answer 48

7

Question 49

Do you KNOW the Unit 1 study guide?

Answer 49

If not, go back and review it. All questions and subject material from previous units is fair game on this test.

Question 50

Do you know how to do metric conversions and the fields of science vocabulary?

Answer 50

If not, go back and review it. All questions and subject material from previous units is fair game on this test.