Unit 2

Question 0

The subatomic particles that make up atoms are…

Answer 0

Protons, neutrons, and electrons

Question 1

The study of chemistry begins with the basic unit of matter

Answer 1

Atom

Question 2

What are two parts in ATP molecule

Answer 2

Three phosphate, adenine, ribose

Question 3

How can you turn ATP into ADP

Answer 3

Drop on phosphate

Question 4

Make their own food

Answer 4

Autotroph’s

Question 5

A substance that accelerate the rate of chemical reaction is called a

Answer 5

Catalyst or enzyme

Question 6

Catalysts Work by lowering the…

Answer 6

Activation energy

Question 7

When salt is dissolved in water, water is the…

Answer 7

Solvent

Question 8

What numbers on PH the scale are acidic

Answer 8

0-6

Question 9

What is the function of proteins?

Answer 9

Last resort energy, regulate cell processes

Question 10

The basic unit of matter

Answer 10

Atom

Question 11

The center of an Atom

Answer 11

Nucleus

Question 12

A negatively charged particle that orbits the nucleus

Answer 12

Electron

Question 13

It positively charged particle that is found in the nucleus

Answer 13

Proton

Question 14

A neutral particle found in the nucleus

Answer 14

Neutron

Question 15

A pure substance that consists entirely of one type of Adam

Answer 15

Element

Question 16

Atoms of the same element that differ in the number of neutrons

Answer 16

Isotopes

Question 17

A substance formed by the chemical combination of two or more elements in definite proportions

Answer 17

Compound

Question 18

Formed when one or more elements are transferred from one atom to another

Answer 18

Ionic bond

Question 19

Formed when electrons are shared between Atoms

Answer 19

Covalent bond

Question 20

The smallest unit of compounds

Answer 20

Molecule

Question 21

When a slight attraction develops between oppositely charged regions of nearby molecules. Not as strong is ionic or covalent bonds

Answer 21

Vander waals forces

Question 22

An attraction between molecules of the same substance

Answer 22

Cohesion

Question 23

An attraction between molecules of different substances

Answer 23

Adhesion

Question 24

A material composed of two or more elements or compounds that are physically mixed together but not chemically combined

Answer 24

Mixture

Question 25

A type of mixture in which all components are evenly distributed

Answer 25

Solution

Question 26

A type of mixture in which water has non-dissolved substances

Answer 26

Suspension

Question 27

A measurement system that indicates the concentration of H+ ions

Answer 27

PH scale

Question 28

Any components that form H+ ions in a solution

Answer 28

Acid

Question 29

A compound that forms 0H- ions in a solution

Answer 29

Base

Question 30

Week acids or bases that can react with strong acids or bases to prevent sharp, sudden changes in pH

Answer 30

Buffers

Question 31

The smallest repeating unit of a large compound

Answer 31

Monomers

Question 32

A large macromolecule made of smaller repeating units that are joined together

Answer 32

Polymers

Question 33

Compounds made up of carbon, hydrogen and oxygen atoms, usually in ratio of 1:2:1. A source of quick energy. Example starches and sugars

Answer 33

Carbohydrates

Question 34

A single sugar molecule

Answer 34

Monosaccharides

Question 35

A large macromolecule made of three or more monomers

Answer 35

Polymer

Question 36

These biological molecules are not usually water soluble. They are made up of C, H and O molecules. They make up cell membranes, are used for long-term energy storage and to make hormones.

Answer 36

Lipids

Question 37

Macro molecules that contain C, H. Oh, and and P. They function in heredity. Example: DNA and RNA

Answer 37

Nucleic acids

Question 38

Building blocks of nuclear acids. It is made of a 5-carbon sugar, a phosphate group, And a nitrogenous base

Answer 38

Nucleotides

Question 39

Macromolecule should contain C, A, O and N. They are polymers made of amino acids. They are used to make muscle and enzymes.

Answer 39

Proteins

Question 40

A process that changes one set of chemicals into another. They involve changes in the chemical bonds that joint Atoms together

Answer 40

Chemical reaction

Question 41

The element or compounds that enter into a chemical reaction

Answer 41

Reactants

Question 42

The elements of compounds produced by a chemical reaction

Answer 42

Products

Question 43

The energy needed to get a reaction started

Answer 43

Activation energy

Question 44

A substance that speeds up the rate of chemical reaction

Answer 44

Catalyst

Question 45

Proteins the act as biological catalyst

Answer 45

Enzymes

Question 46

The reactants of enzyme-catalyzed reactions are known as this

Answer 46

Substrates

Question 47

Respiration occurs in the...

Answer 47

Mitochondria

Question 48

Photosynthesis occurs in the...

Answer 48

Chloroplast

Question 49

Photosynthesis makes...

Answer 49

oxygen and glucose

Question 50

Respiration make...

Answer 50

carbon dioxide, water, and ATP

Question 51

Respiration has three parts...

Answer 51

Glycolysis, Krebs cycle, and ETC

Question 52

Photosynthesis has two parts...

Answer 52

Light reactions and dark reactions

Question 53

Where does glycolysis take place?

Answer 53

Mitochondria

Question 54

Where does the Krebs cycle and electron transport chain take place?

Answer 54

The metrics

Question 55

A process that releases energy by breaking down food in the presence of oxygen

Answer 55

Cellular respiration

Question 56

Chemical process that requires oxygen

Answer 56

Aerobic

Question 57

Amount of energy needed to raise the temperature of 1G of water 1°C

Answer 57

Calorie

Question 58

Chemical process that does not require oxygen

Answer 58

Anaerobic

Question 59

Electron that carries glycolysis

Answer 59

NAD+

Question 60

Process that releases energy from food molecules when no oxygen is present

Answer 60

Fermentation

Question 61

Stage of cellular respiration in which pyruvic acid is broken down into carbon dioxide in a series of energy-extracting reactions

Answer 61

Krebs cycle

Question 62

Process in which glucose is broken down into two molecules of pyruvic acid

Answer 62

Glycolysis

Question 63

Clusters in the thylakoid membrane of chlorophyll and other pigments

Answer 63

Photosystems

Question 64

The region of chloroplast outside the Thylakoid membranes

Answer 64

Stroma

Question 65

Electron carrier

Answer 65

NADP+

Question 66

Process in which plants use the energy of sunlight to make high-energy carbohydrates

Answer 66

Photosynthesis

Question 67

Reactions that use ATP and NAT pH to produce high-energy sugar

Answer 67

Calvin cycle

Question 68

Light-Absorbing molecules

Answer 68

Pigment

Question 69

The basic energy source of all cells

Answer 69

Adenosine triphosphate

Question 70

Reactions that produce oxygen gas and convert ADP and NADP+ into energy carriers ATP and NADPH

Answer 70

Light-dependent reactions

Question 71

Saclike photosynthetic membranes in chloroplasts

Answer 71

Thylakoid

Question 72

Principal pigment of plants

Answer 72

Chlorophyll

Question 73

What is an organism that obtains energy from the food it consumes

Answer 73

Heterotroph or consumer

Question 74

What is an organism that is able to make it on food

Answer 74

Autotroph or producer

Question 75

What is released when chemical bond is broken between the second and third phosphates of an ATP molecule

Answer 75

Energy and a phosphate

Question 76

What are the reactants of the Equation for photosynthesis

Answer 76

6CO2+6H2O

Question 77

What are the products of the equation for photosynthesis

Answer 77

C6H12O6+6O2