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Biology Unit 2 - Chemistry/Biochemistry > Chemistry/Biochemistry Study Guide > Flashcards

Chemistry/Biochemistry Study Guide Flashcards

Prepare student for the Unit 2 Test.

1
Q

What is the overall charge of a normal atom?

A

Neutral

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2
Q

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

A

Ionic

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3
Q

All organic compounds contain what element?

A

Carbon

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4
Q

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

A

Compound

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5
Q

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

A

Covalent

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6
Q

What is a molecule?

A

Two or more atoms held together with covalent bonds.

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7
Q

What is kinetic energy?

A

Energy due to motion.

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8
Q

What is potential energy?

A

Energy due to position.

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9
Q

Give an example of a polysaccharide.

A

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

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10
Q

Iodine is a test indicator for which biological molecule?

A

Starch.

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11
Q

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

A

Proteins

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12
Q

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

A

Carbohydrate

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13
Q

What is the symbol for carbon?

A

C

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14
Q

Anything that occupies space and has mass is called what?

A

Matter

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15
Q

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

A

Dehydration synthesis

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16
Q

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

A

Is

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17
Q

What is an ion?

A

An atom that has lost or gained an electron

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18
Q

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

A

The sun

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19
Q

What is the basic unit of matter?

A

Atom or element

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20
Q

Which type of reaction takes place in cells?

A

Chemical

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21
Q

Glucose is an example of which biological molecule?

A

Carbohydrate

22
Q

How many amino acids are there

A

20

23
Q

C6H12O6 is an example of?

A

Chemical formula

Carbohydrate

24
Q

Which organic compound is found in the cell membrane?

A

Proteins

Lipids

25
Q

How many bonds does carbon form with other atoms?

A

4

26
Q

What is the smallest structure of matter?

A

Atom

27
Q

What does the pH scale measure?

A

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

28
Q

Where are acids found on the pH scale?

A

1-7

29
Q

Where are bases found on the pH scale?

A

7-14

30
Q

What pH is water?

A

7

31
Q

Do you understand different types of solutions?

A

If you don’t, revisit your notes.

32
Q

What do nucleic acids do?

A

Store information

33
Q

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

A

Amino acid

Protein

34
Q

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

A

Lipids

35
Q

DNA and RNA are examples of what organic group?

A

Nucleic acids

36
Q

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

A

Activation energy

37
Q

Water is a ______ compound.

A

Polar

38
Q

A steroid is best categorized as what biological molecule?

A

Lipid

39
Q

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

A

4

40
Q

Triglycerides taht are liquid at room temperature are called what?

A

Oils

41
Q

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

A

Enzymes

42
Q

Light is a form of what?

A

Energy

43
Q

Heat is a form of what?

A

Energy

44
Q

Define a gas.

A

No shape, no volume

45
Q

What are the basic building blocks of all matter?

A

Atoms

46
Q

Define a liquid.

A

No shape, definite volume

47
Q

Energy due to movement is called what?

A

Kinetic energy

48
Q

The pH of water is what?

A

7

49
Q

Do you KNOW the Unit 1 study guide?

A

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

50
Q

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

A

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

Biology Unit 2 - Chemistry/Biochemistry (2 decks)

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