Chapters 1-3

Question 1

Diffrence between eukaryotic and prokayotic

Answer 1

Eukaryotic has a nucleus prokaryotics dont

Question 2

Emergent properties

Answer 2

specific properties put together (example the heart is made of smaller things)

Question 3

Domain VS. animal kingdom

Answer 3

A domain is a larger group that includes multiple kindoms

Question 4

Inductive VS. Deductive

Answer 4

Inductive- smaller things /deductive-making a conclusion of knowledge(taking larger things and breaking them down.

Question 5

Four elements that make up 96% of the body

Answer 5

Carbon, Hydrogen, Oxygen, Nitrogen

Question 6

polarity

Answer 6

Unequal distribution of electrons that causes a positive charged end and negative charge end

Question 7

Hydrogen bond

Answer 7

a non-covalent weak bond

Question 8

Specific heat

Answer 8

Moderates air temperature (the amount of energy needed to make one unit of mass of a substance one degree warmer)

Question 9

Heat of vaporization

Answer 9

amount of energy added to convert a liquid to a gas

Question 10

Evaporation cooling

Answer 10

When air is cooled down to a comfortable temperature because of water evaporation

Question 11

Why does ice float in water?

Answer 11

lattice arrangements allow molecules in ice to be further apart making ice less dense than water and allowing it to float.

Question 12

Hydrophilic

Answer 12

Likes water

Question 13

hydrophobic

Answer 13

scared of water

Question 14

Which ions are acidic and a base?

Answer 14

Hydrogen ion(H+)=acidic /more of a hydroxide ion(HO-) =base

Question 15

What is a buffer

Answer 15

resist changes in pH levels

Question 16

Organic chemistry

Answer 16

life is made of mostly carbon (carbon compounds)

Question 17

dehydration synthesis

Answer 17

creation of larger molecules from smaller monomers

Question 18

fatty acids

Answer 18

a carboxylic acid made up of hydrogen/carboxylic/carbon sugar

Question 19

saturated

Answer 19

saturated with hydrogen

Question 20

unsaturated

Answer 20

double bonds that result in not enough hydrogen

Question 21

what type of lipid is cholesterol

Answer 21

lipid/protein

Question 22

polypetides

Answer 22

short chains of amino acids linked by peptide bonds

Question 23

what type of bond is formed within amino acids

Answer 23

peptide bonds

Question 24

4 levels of protein structure

Answer 24

1. beads /2.helix /3. mixture of 1 and 2. 3. groups of structure 3

Question 25

denatured protein

Answer 25

hydrogen bonds are broken by chemical action/heat

Question 26

Two types of nucleic acids? How do they work together?

Answer 26

DNA and RNA. They store and transmit genetic info

Question 27

Purines vs. pyrimidines

Answer 27

Purines- A and G pyrimidines- C and T

Question 28

DNA Structure

Answer 28

double helix (antiparralel)

Question 29

three main parts of DNA nucleotide?

Answer 29

Nitrogen/ Phosphate/ Carbon based sugar

Question 30

RNA VS. DNA

Answer 30

RNA contains the sugar ribosome while DNA contains another one

• DNA has A RNA has U
• RNA lacks methyl groups

Question 31

10 levels of hierarchy-smallest to biggest

Answer 31

molecule, cell, tissue, organ, organ system, organism, population, community, ecosystem, biosphere.

Question 32

Three domains

Answer 32

Bacteria, Archaea, and Eukarya

Question 33

what is hydrogen bonding

Answer 33

the attraction between a hydrogen and electro-negative a atom

Question 34

Why does water have cohesion

Answer 34

Negative and positive charges in water attract each othe r

Question 35

What is a calorie

Answer 35

The amount of heat energy required to raise the temperature of 1 g of water by 1°C;

Question 36

hydration shell

Answer 36

The sphere of water molecules around each dissolved Ion.

Question 37

Molarity

Answer 37

he amount of a substance in a certain volume of solution.

Question 38

function of carbohydrates

Answer 38

provide energy to the body

Question 39

funtion of protein

Answer 39

required for the structure, function, and regulation of the body’s tissues and organs.