Chemistry

Question 1

molecules

Answer 1

a group of atoms bonded together

Question 3

acid (pH)

Answer 3

less than 7

Question 5

Fe

Answer 5

Iron

Question 6

Carbohydrate

Answer 6

any of a large group of organic compounds that includes sugars, starch, and cellulose

Question 7

Cation

Answer 7

A positively charged ion formed when an atom loses one or more electrons

Question 8

60% of Body Weight

Answer 8

Oxygen

Question 9

Alkaline

Answer 9

Has a higher concentration of hydroxide (OH-) in water, higher than 7 on pH scale (base)

Question 10

Protein

Answer 10

Made of carbon, hydrogen, oxygen, and nitrogen. Made of smaller molecules called amino acids.

Question 11

Anion

Answer 11

A negatively charged ion that has more electrons than protons.

Question 12

Lipid

Answer 12

Group of organic compounds such as carbon, hydrogen, oxygen. May also contain phosphorus and nitrogen.

Question 13

Base (pH)

Answer 13

Compounds that release the hydroxide ion (OH-) in water.

Question 14

N

Answer 14

Nitrogen

Question 15

S

Answer 15

Sulfur

Question 16

Organic

Answer 16

Compounds that contain Carbon

Question 17

Hydrophilic

Answer 17

Water Loving

Question 18

pH Scale

Answer 18

The scale measuring the balance between the number of hydrogen and hydroxide ions (acidity or alkalinity)

Question 19

C

Answer 19

Carbon - primary component of all organic molecules

Question 20

Ion

Answer 20

Charged particle of matter

Question 21

K

Answer 21

Potassium - needed for nerve impulse conduction

Question 22

O

Answer 22

chemical symbol for oxygen

Question 23

electrolyte

Answer 23

inorganic salt compound that conducts electrical current in water through ions

Question 24

pH 7.0

Answer 24

neutral

Question 25

glucose

Answer 25

the simplest sugar that your body uses and stores

Question 26

P

Answer 26

Phosphorus- needed for normal bone structure

Question 27

DNA

Answer 27

Nucleic acid that carries the human genetic code

Question 28

Nucleic Acids

Answer 28

Contain Carbon, Hydrogen, Oxygen, and Nitrogen atoms. Primary structure component of RNA and DNA

Question 29

H2O

Answer 29

Water- essential for chemical exchanges between cells and tissues, transportation of nutrients, wastes and byproducts throughout the body.

Question 30

Mg

Answer 30

Magnesium

Question 31

Water

Answer 31

H2O

Question 32

RNA

Answer 32

ribonucleic acid; found in the nucleus of the cell and plays a crucial role in protein synthesis and gene regulation

Question 33

Na

Answer 33

Sodium

Question 34

Amino Acid

Answer 34

Small molecules that make up proteins

Question 35

Cl

Answer 35

Chlorine

Question 36

Element

Answer 36

A fundamental form of all matter

Question 37

compounds

Answer 37

molecules made up of more than one type of atom; substance consisting of atoms or ions of different elements bound together

Question 38

Ca

Answer 38

Calcium As an ion, Ca2+ is necessary for muscle contraction, blood clotting, and normal bone structure

Question 39

pH 7.35-7.45

Answer 39

The small, slightly alkaline, homeostatic pH range in which the normal chemical activities of cells and tissues can take place.

Question 40

atom

Answer 40

smallest particle (unit) of an element that has all the properties of the element; composed of electrons, neutrons and protons; component of molecules