Quiz #1

Question 1

Tissue

Answer 1

Cells of the same function and structure

Question 2

Neurons

Answer 2

Structure runs to and from brain/spinal cord, they carry messages

Question 3

Nephrons

Answer 3

They are in the kidneys

Question 4

Lymphnodes

Answer 4

Defense system

Question 5

Purpose of nervous system

Answer 5

Gives us senses (tasting, smelling)

Question 6

C

Answer 6

Carbon

Question 7

H

Answer 7

Hydrogen

Question 8

O

Answer 8

Oxygen

Question 9

N

Answer 9

Nitrogen

Question 10

Ca

Answer 10

Calcium

Question 11

Na

Answer 11

Sodium

Question 12

Cl

Answer 12

Chlorine

Question 13

K

Answer 13

Potassium

Question 14

S

Answer 14

Sulfur

Question 15

Mg

Answer 15

Magnesium

Question 16

Mn

Answer 16

Manganese

Question 17

All atoms are made up of?

Answer 17

Protons, neutrons, and electrons

Question 18

Oxygen has how many atoms?

Answer 18

8 protons, 8 neutrons, 8 electrons

Question 19

Hydrogen has how many atoms?

Answer 19

1 proton, 1 neutron, and 1 electron

Question 20

Law is that…

Answer 20

…there have to be 8 electrons in the outer most orbit, except for hydrogen

Question 21

Ionic Compound

Answer 21

When electrons are given or taken. Eg. NaCl

Question 22

Co-Valent

Answer 22

When electrons are shared, not given or taken. Eg. H20

Question 23

Oxygen has…

Answer 23

…6 electrons, hydrogen has 1, which is why it’s 2+6 = 8 electrons

Question 24

What is the best solvent on earth?

And can get into our system easily?

Answer 24

Water

Question 25

Solvent means?

Answer 25

It can dissolve easily except fats

Question 26

What freezes and boils at what temperature?

Answer 26

0 degrees and 100 degrees

Question 27

H20 can be found in three forms?

Answer 27

Liquid, gas, and solid

Question 28

The scale of pH goes from 0________7_________14 | (acidic) (basic)

Answer 28

- The less hydrogen, the more pH | - The more hydrogen, the less pH

Question 29

What is the pH of the stomach?

Answer 29

2 to 4

Question 30

What is the pH in the small intestine?

Answer 30

8

Question 31

Valency?

Answer 31

The amount of electrons given/taken aka combining capacity.

Question 32

Oxygen valency?

Answer 32

2

Question 33

Nitrogen valency?

Answer 33

3

Question 34

Carbon valency?

Answer 34

4

Question 35

Sodium, Hydrogen and Chlorine

Answer 35

All have valency of 1

Question 36

Carbohydrates are found in?

Answer 36

- Grains - Provides quick energy - Has Carbon, hydrogen and oxygen

Question 37

Carbohydrates formula

Answer 37

C6 H12 o6

Question 38

3 Types of Carbohydrates

Answer 38

- Monosaccharides - Disaccharides - Polysaccharides

Question 39

Monosaccharides

Answer 39

Example: Glucose | Fructose and glucose have same formula but different struture

Question 40

Disaccharides

Answer 40

Means two monosaccharides together Example: Maltose (2 glucose together) Sucralose (glucose and fructose)

Question 41

Polysaccharides

Answer 41

Many monosaccharides together | Example: Starch (has lots of monosaccharides)

Question 42

Fats made up of?

Answer 42

Carbon, Hydrogen and Oxygen as well

Question 43

1 Fat (Formula) =

Answer 43

3 fatty acids + 1 Glycerol

Question 44

2 Kinds of fats?

Answer 44

Saturated and Unsaturated

Question 45

Saturated fats?

Answer 45

- Found in animals | - Don't react with other compounds, so don't dissolve. This is known as HYDROPHOBIC

Question 46

Unsaturated fats?

Answer 46

- All vegetable fats (eg. olive oil, peanut oil) - These react with other compounds, means it dissolves. This is known as HYDROPHOLIC

Question 47

Hormones fatty in nature?

Answer 47

Yes, certain hormones are fatty in nature, eg. sex hormones, steroids

Question 48

ISOMERS

Answer 48

Two compounds that have the same formula but different structure (Eg. Fructose and Glucose)