Chemistry

Question 0

Matter

Answer 0

Anything that takes up space that has mass.

Question 1

Chemistry

Answer 1

Study of composition of matter

Question 2

Atoms

Answer 2

Basic building block of matter

Question 3

Protons

Answer 3

Mass- yes
Charge- +
Located in nucleus

Question 4

Neutrons

Answer 4

Mass- yes
Charge- neutral
In nucleus

Question 5

Electrons

Answer 5

No mass
- charge
In electron cloud

Question 6

Nucleus

Answer 6

Center of atom

Question 7

Electron shell

Answer 7

Outside of nucleus. Contains electrons

Question 8

Atomic number

Answer 8

Total number of protons in an atom

Question 9

Elements

Answer 9

Groups of the same atoms put together

Question 10

Chemical symbol

Answer 10

Abbreviation of an elements name

Question 11

Isotopes

Answer 11

Same element with different amount of neutrons

Question 12

Avogadro

Answer 12

AMU

Question 13

Molecules

Answer 13

Smallest part of a compound that still acts like a compound

Question 14

Compound

Answer 14

2 or more things chemically combined

Question 15

Ionic

Answer 15

Transfers electrons

Question 16

Covalent

Answer 16

Shares electrons

Question 17

Catabolism

Answer 17

Decomposition of material

Question 18

Exothermic

Answer 18

Gives off heat by breaking bonds

Question 19

Anabolism

Answer 19

Creating a substance

Question 20

Endothermic

Answer 20

Takes in energy to make bonds

Question 21

Decomposition

Answer 21

AB—>A+B

Question 22

Synthesis

Answer 22

A+B—>AB

Question 23

Energy

Answer 23

Ability to do work

Question 24

Kinetic

Answer 24

Energy in motion

Question 25

Potential

Answer 25

Stored energy

Question 26

Law of conservation of energy

Answer 26

Cannot create or destroy energy, just change its forms

Question 27

Activation energy

Answer 27

Amount of energy needed to start a chemical reaction

Question 28

Enzymes

Answer 28

Natural catalysts in the body -ase

Question 29

Catalysts

Answer 29

Speed up chemical reactions

Question 30

Inhibitors

Answer 30

Slow down chemical reactions

Question 31

Organic compounds

Answer 31

``` Have carbon to hydrogen bonds CARBOHYDRATES LIPIDS PROTEINS NUCLEIC ACIDS ```

Question 32

Carbohydrates

Answer 32

Energy. Monosaccharides-sugar Disaccharides- complex sugar Polysaccharides- starches

Question 33

Lipids

Answer 33

Stored energy and protection

Question 34

Proteins

Answer 34

Repair tissue

Question 35

NUCLEIC acids

Answer 35

DNA and RNA

Question 36

Lipids

Answer 36

2x energy of carbohydrates | Fats oils waxes

Question 37

Fatty acids

Answer 37

Energy Saturated-single bonds Unsaturated-double bonds

Question 38

Eicosaniods

Answer 38

Chemical messengers

Question 39

Glycerides

Answer 39

Fat

Question 40

Steroids

Answer 40

``` Cholesterol. Membranes Sexual function Bile Tissue metabolism ```

Question 41

Enzyme

Answer 41

Specificity- enzymes only break down a specific substance Saturation limit- max amount of material the enzyme can break down Regulation- can turn enzymes on and off

Question 42

DNA

Answer 42

AT GC GENETIC BLUEPRINT

Question 43

mRNA

Answer 43

Copies info from DNA

Question 44

tRNA

Answer 44

Carry amino acids to ribosomes

Question 45

rRNA

Answer 45

Makes the protien