AP bio Scientific Method, Graphs, Stats + Chemistry Basics + ...

Question 1

All ____ are hydrophobic biomolecules.

Accepted Answer

lipids

Question 2

What type of bond forms when individual water molecules bind to each other?

Accepted Answer

Hydrogen

Question 3

A substance with a pH below 7 is considered to be

Accepted Answer

acidic

Question 4

Using this process, monomers make up polymers and are connected by covalent bonds

Accepted Answer

dehydration synthesis

Question 5

The breaking of chemical bonds, leading to changes in the composition of matter, is called...

Accepted Answer

chemical reactions

Question 6

As the hydrogen ion concentration of a liquid increases its pH value

Accepted Answer

decreases

Question 7

The pH of a solution is determined by...

Accepted Answer

the concentration of hydrogen ions

Question 8

To be a valid experiment you should have...

Accepted Answer

all of the above

Question 9

A substance that cannot be broken down into other substances by chemical reactions is...

Accepted Answer

an element

Question 10

Which of the following is the an intermolecular "bond"?

Accepted Answer

hydrogen

Question 11

The potential energy and chemical behavior of an atom (or molecule) is determined by its...

Accepted Answer

distribution of electrons

Question 12

_______ are formed from many _______.

Accepted Answer

polymers... monomers

Question 13

These molecules

Accepted Answer

are geometric isomers

Question 14

The child's temperature was 101 degrees. Is this quantitative or qualitative data?

Accepted Answer

Quantitative

Question 15

__________ is a storage polysaccharide composed entirely of glucose monomers.

Accepted Answer

Starch

Question 16

This molecule is found in nearly every membrane in all cells. What part is hydrophobic?

Accepted Answer

the phospholipid tail

Question 17

In an experiment, the one variable that is changed is called the

Accepted Answer

independent variable

Question 18

Which of the following two groups of biomolecules do NOT contain nitrogen?

Accepted Answer

lipids and carbohydrates

Question 19

What axis do you put the dependent variable on?

Accepted Answer

y

Question 20

The alternative hypothesis states that?

Accepted Answer

the independent variable will affect the dependent variabl

Question 21

This molecule has all of the following functional groups EXCEPT

Accepted Answer

carbonyl

Question 22

This polymer of glucose is a major component of the tough wall of plant cells.

Accepted Answer

cellulose

Question 23

The optimum temperature for the action of this enzyme is approximately

Accepted Answer

37 C

Question 24

Which two properties of water are closely related?

Accepted Answer

Cohesion and surface tension

Question 25

The elements of the periodic table all have a unique...

Accepted Answer

number of protons

Question 26

A hypothesis must be...

Accepted Answer

testable

Question 27

What type of bonds hold the oxygen and hydrogen atoms within a water molecule together?

Accepted Answer

Covalent

Question 28

Substances that can minimize changes in the concentrations of hydrogen and hydroxide ions are

Accepted Answer

buffers

Question 29

Why is carbon so special?

Accepted Answer

Due to its electron structure it can form 4 covalent bonds.

Question 30

Sweating cools you because water molecules are

Accepted Answer

absorbing heat energy from your body

Question 31

Compounds containing carbon are known as...

Accepted Answer

organic compounds

Question 32

A molecule contains two or more atoms while a ______ contains two or more elements.

Accepted Answer

compound

Question 33

A substance with a pH of 3 is ______ times more acidic than a substance with the pH of 6.

Accepted Answer

1000

Question 34

One function of polysaccharides is as a/an _____ ______macromolecule that is hydrolyzed as needed

Accepted Answer

energy storage

Question 35

Which statement best expresses the information represented in the graph shown?

Accepted Answer

The action of enzymes varies with pH.

Question 36

Only carbohydrates have carbon rings.

Accepted Answer

False

Question 37

In a normal distribution, ____________% of the data lies within ONE standard deviation of the mean

Accepted Answer

68

Question 38

Which of the following is NOT a type of biomolecule (macromolecule or carbon-based compound)?

Accepted Answer

salt

Question 39

Which of the following correctly describes the polarity of water?

Accepted Answer

Hydrogen ends are positive, oxygen end is negative

Question 40

What type of graph should I use if independant variable is categorical (e.g. colours)

Accepted Answer

bar

Question 41

In what type of chemical bond are electrons NOT shared equally?

Accepted Answer

polar covalent bond

Question 42

Different isotopes of an element have different numbers of _______.

Accepted Answer

neutrons

Question 43

Temperature is more stable near a body of water due to which water property?

Accepted Answer

specific heat capacity

Question 44

Animals also store glucose in a polysaccharide called ______________.

Accepted Answer

glycogen

Question 45

If a substance has a pH of 7.9, it is...

Accepted Answer

basic

Question 46

What functional group is attached to the carbon atom labeled "b"?

Accepted Answer

hydroxyl

Question 47

The diagram below represents three steps in the hydrolysis of a molecule of sucrose. X is...

Accepted Answer

the enzyme

Question 48

Most ________ fats are saturated. Saturated fats are ________ at room temperature

Accepted Answer

animal::solid

Question 49

A hypothesis is an educated guess that must be

Accepted Answer

testable

Question 50

In an experiment, the factor that we measure is called the

Accepted Answer

dependent variable

Question 51

Non Overlapping error bars indicate _________

Accepted Answer

statistical significance between data

Question 52

At what temperature would enzyme D most likely be denatured?

Accepted Answer

45 C

Question 53

The pH of most living systems and substances is close to...

Accepted Answer

7

Question 54

What property of water allows for cohesion of water molecules?

Accepted Answer

polarity

Question 55

These two molecules

Accepted Answer

will have different properties

Question 56

Substances that can dissolve easily in water are called ____________

Accepted Answer

polar

Question 57

Identify this molecule

Accepted Answer

glycerol

Question 58

What water property allows certain bugs to "walk" on water?

Accepted Answer

surface tension

Question 59

Which functional group can form disulfide bridges?

Accepted Answer

sulfhydryl

AP bio Scientific Method, Graphs, Stats + Chemistry Basics + ...

Questions 59

AP bio Scientific Method, Graphs, Stats + Chemistry Basics + ...

Questions 59