UNIT 1

Question 1

The structural, functional, and
reproductive unit of life is the cell

Answer 1

Cell Theory

Question 2

Sequence of taxa!

Question 3

1st Leval of Taxa

Answer 3

Domain

Question 4

Second level of taxa

Answer 4

Kingdom

Question 5

3rd level of Taxa

Answer 5

Phylum

Question 6

4th level

Answer 6

Class

Question 7

5th Level of taxa

Answer 7

Order

Question 8

6th level of taxa

Answer 8

Family

Question 9

7th level of taxa

Answer 9

Genus

Question 10

8th level of Taxa

Answer 10

Species

Question 11

What is the broadest taxa

Answer 11

Domain

Question 12

What are the 3 domains

Answer 12

Bacteria, Archea, Eukarya

Question 13

search for information and explanation

Answer 13

Scientific Inquiry

Question 14

seeks specifics based on general truths, tests hypotheses
* If general ‘truth’ is wrong, hypothesis is flawed

Answer 14

Deduction

Question 15

tentative explanations of natural phenomena
– must be testable and falsifiable
– ‘if and then

Answer 15

Hypothosisi

Question 16

uses specific observations to explain processes (make
generalizations) of nature, leads to hypothetical explanations

Answer 16

Induction

Question 17

1 amu
*in atomic nucleus
*positive (+) charge

Answer 17

Proton

Question 18

1 amu
* in nucleus
* no (neutral) charge

Answer 18

Nuetron

Question 19

relatively no mass
* in orbitals surrounding nucleus
* negative (-) charg

Answer 19

Electron

Question 20

Atoms with the same number of protons, different
number of neutrons

Answer 20

Isotopes

Question 21

describe likely
position of electrons as they
move around the nucleus

Answer 21

Orbitals

Question 22

represent energy levels
based on distance from
nucleus

Answer 22

Shells

Question 23

Is the outermost energy level

Answer 23

Valence shell

Question 24

Are the electrons found in the
valence shell

Answer 24

Valence electrons

Question 25

The # of bonds an atom will form

Answer 25

Valence

Question 26

refers to an atom’s tendency to fill its valence shell

Answer 26

Reactivity

Question 27

Result when atoms share valence electrons

Answer 27

Covalent Bonds

Question 28

Are attractions based on opposite charge

Answer 28

Ionic bonds

Question 29

Bonds between ‘polar’ molecules

Answer 29

Hydrogen

Question 30

Two or more atoms covalently bonded forms a

Answer 30

Molocule

Question 31

Strongest type of chemical bond

Answer 31

Covalent

Question 32

An atom’s pull on or attraction to electrons

Answer 32

Electronegativity

Question 33

Bonds between atoms with different degrees of electronegativity

Answer 33

Polar covalent bonds

Question 34

The condition of having a partial charge (separation of charge at opposite ends

Answer 34

Polarity

Question 35

Attraction between polar molecules

Answer 35

Hydrogen bonds

Question 36

positive charge – Fewer electrons than protons

Answer 36

Cations

Question 37

negative charge – More electrons than proton

Answer 37

Anions

Question 38

Attraction based on opposite (full) charges

Answer 38

Ionic bonds

Question 39

Any substance that donates a H+ to an aqueous solution is an

Answer 39

Acid

Question 40

A substance that removes H+ from an aqueous solution is a

Answer 40

Base

Question 41

The product of the concentrations of ions is always equal to

Answer 41

10 TO THE -14

Question 42

PH is

Answer 42

The H+

Question 43

Lower the Ph h the higher the

Answer 43

Acidity

Question 44

Nuetral Acidity is

Answer 44

7

Question 45

Higher the ph

Answer 45

more basic

Question 46

compounds that when added to a solution resists a change in pH

Answer 46

Buffer

Question 47

Repeating units of polymers are called

Answer 47

monomers

Question 48

are simple sugars – General formula is Cn(H2O) * where n equals the number of carbons – ‘a hydrate of carbon’ – May have up to 6 or 7 carbons in HC skeleton

Answer 48

Monosoachharides

Question 49

Dehydration reaction yields a ------- connecting 2 monomers

Answer 49

glycosidic linkage

Question 50

glucose and fructose

Answer 50

Sucrose

Question 51

2 glucose monomers

Answer 51

Maltose

Question 52

galactose and glucose

Answer 52

Lactose

Question 53

Linkages of 100’s to 1000’s of glucoses

Answer 53

polysaccarides

Question 54

types include: Starch, Glycogen, and Cellulose

Answer 54

Polysaccharides

Question 55

Large macromolecules used for storage * Composed entirely glucose

Answer 55

Starch

Question 56

Storage form used by animals – excess glucose is stored – found in liver and muscles

Answer 56

Glycogen

Question 57

Structural component of plant cell walls – Produce 100 billion tons per year(!) – Most abundant organic material on Earth

Answer 57

Cellulose

Question 58

Fats like triglycerides – Phospholipids of membrane structure – Sterols and steroids – Waxy secretions like cuticle, sebu

Answer 58

Lipids

Question 59

Amino group – Carboxyl group – Alpha carbon – Variable ‘R’ component

Answer 59

What makes an amino acid

Question 60

Sequence of amino acids

Answer 60

Primary structure

Question 61

Hydrogen bonds form between repeating units * alpha helix * beta pleat

Answer 61

Secondary structure

Question 62

Folding due to interactions of ‘R’ components

Answer 62

Tertiary Structure

Question 63

Multiple peptides combine to make functional protein

Answer 63

Quarternary structure

Question 64

Molecules that store hereditary information and allow organisms to pass info to next generation

Answer 64

Nucleic Acid

Question 65

Nucleic acids are polymers composed of many

Answer 65

Nucleotides(monomers)