Chapter 2 Vocab Flashcards

1
Q

Acid!

A

a hydrogen containing substance and is capable of donating a proton to another substance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

activation energy

A

the minimum amount of energy required to convert molecules into a product

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

adhesion

A

the attraction of different molecules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

amino acid!

A

proteins formed by combined molecules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

atom

A

the smallest unit in life

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

base!

A

a neutralizing substance and accepts hydrogen ions into water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

bond energy!

A

the energy needed to break apart the atoms involved in a molecular bond.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

carbohydrate

A

sugar molecules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

catalyst!

A

an unchanged and unconsumed molecules that can make a chemical reaction happen easier.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

chemical reaction!

A

when atoms are either formed or broken

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

cohesion

A

the attraction of the same molecules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

compound!

A

a substance that is made of two or more elements combined in ratios.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

covalent bond !

A

when electrons are shared evenly between atoms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

element!

A

cannot be split into similar substances by chemical means.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

endothermic!

A

organisms that maintain constant body temperatures.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

enzyme!

A

protein molecules in cells that works as biological catalysts.!

17
Q

equilibrium!

A

when body systems are balanced with a equal and opposite force.

18
Q

exothermic!

A

a chemical reaction that releases energy in the form or light and heat

19
Q

fatty acid!

A

the fat in our body’s and in the food we eat

20
Q

hydrogen bond!

A

the attraction between a hydrogen atom and another atom with a weak electron charge.

21
Q

ion!

A

the electrical charge in one or more atoms

22
Q

ionic bond!

A

when an atom gives electron(s) to another atom so each can have a full set

23
Q

lipid!

A

a fatty substance

24
Q

molecule

A

one or more atoms combined

25
Q

monomer

A

a piece of a whole or a piece of a polymer.

26
Q

nucleic acid!

A

large bio molecules that play essential roles in viruses and in cells.

27
Q

pH

A

a scale to find the level of acidity of something

28
Q

polymer

A

the whole or many monomers combined.

29
Q

product

A

something that is made

30
Q

protein!

A

large complex molecules that do most of the work in cells

31
Q

reactant

A

the substances that is being added together to make a product

32
Q

solute

A

the substances being dissolved in solvents

33
Q

solution

A

a mixture that contains evenly mixed molecules (only one type of molecule)

34
Q

solvent

A

the substance that dissolved solutes

35
Q

substrate

A

the base where an organism lives