Exam 1

Question 1

What classifies living things

Answer 1

Order, Response to stimulation, reproduction, growth/development, regulating internal environment, energy processing, evolution

Question 2

Producers

Answer 2

make their food, break it down later when they need energy

Question 3

Consumers

Answer 3

eat producers, or other consumers, to get food chemicals

Question 4

What domain are animals and humans in

Answer 4

Eukarya

Question 5

Eukarya domain

Answer 5

Single cell or multicellular, includes plants, animals, and fungi

Question 6

Hypothesis

Answer 6

tentative explanation subject to testing and modification

Question 7

Theory

Answer 7

widely accepted explanatory idea that generates new hypothesis and is supported by much evidence

Question 8

Protons

Answer 8

positively charged

Question 9

Neutrons

Answer 9

neutral charge

Question 10

Electrons

Answer 10

negative charge

Question 11

of ____ = # of ____

Answer 11

electrons, protons

Question 12

Mass number

Answer 12

protons+neutrons

Question 13

Atomic mass

Answer 13

number of protons

Question 14

Chemical bond

Answer 14

attractive force that links atoms together to form molecules

Question 15

First shell holds

Answer 15

two electrons

Question 16

second, third shells hold

Answer 16

up to 8 electrons

Question 17

Ionic bonds

Answer 17

atoms lose/gain electrons

Question 18

Covalent bonds

Answer 18

atoms share electrons

Question 19

Electrons shared unequally

Answer 19

polar covalent bond

Question 20

Electrons shared equally

Answer 20

non polar covalent bond

Question 21

Hydrogen bonds

Answer 21

form between slightly positive hydrogen and slightly negative atom

Question 22

Reactants convert to

Answer 22

products

Question 23

Cohesive

Answer 23

molecules stick together

Question 24

Solutes dissolve in

Answer 24

solvents

Question 25

Hydrophobic molecules

Answer 25

water resistant

Question 26

More H+ than OH-

Answer 26

Acidic

Question 27

Less H+ then OH-

Answer 27

basic

Question 28

0.001 and 1x10-3=

Answer 28

ph3

Question 29

Macromolecules

Answer 29

large molecule such as protein or dna, frequently a polymer

Question 30

Polymer

Answer 30

large molecule consisting of small subunits called monomers

Question 31

Dehydration synthesis reactions

Answer 31

covalent bonds link monomers to form polymer

Question 32

Hydrolisis

Answer 32

polymers covalent bonds broken, separated into monomers

Question 33

Biological molecules contain

Answer 33

Carbon and hydrogen

Question 34

Carbohydrates polymer

Answer 34

polysaccharides

Question 35

Carbohydrates monomer

Answer 35

monosaccharide

Question 36

Carbs, Polysaccharides=

Answer 36

starch, glycogen, cellulose, chitin

Question 37

Carbs function

Answer 37

quick energy source

Question 38

What stores energy

Answer 38

starch, glycogen

Question 39

Structural support=

Answer 39

cellulose, chitin

Question 40

Proteins monomers

Answer 40

amino acids

Question 41

Amino acids linker by dehydration synthesis reactions to form

Answer 41

protein

Question 42

Covalent bonds between amino acids is a

Answer 42

peptide bomd

Question 43

Denaturatio

Answer 43

protein loses structure by excessive heat

Question 44

Hydrophobic lipids

Answer 44

fats, oils, waxes

Question 45

Fats and oils do what

Answer 45

store energy

Question 46

Nuclei acids monomers

Answer 46

nucleotide

Question 47

Nucleic acids example

Answer 47

dna and rna

Question 48

Which zooms in more light microscope or electron microscope

Answer 48

electron microscope

Question 49

Prokaryotic

Answer 49

small, less complicated cell(bacteria and archaea domains)

Question 50

Eukaryotic cells

Answer 50

larger, more complex(plants, animals cells)

Question 51

Ribosomes

Answer 51

synthesize proteins by forming covalent bond between amino acids

Question 52

Rough er

Answer 52

has ribosomes that make proteins to be secreted from cell

Question 53

smooth er

Answer 53

detoxifies foreign molecules

Question 54

Proteins synthesized by ribosomes transported in

Answer 54

vesicles

Question 55

Lysosome

Answer 55

digestive organelles

Question 56

Vacuoles and vesicles

Answer 56

fluid filled sacs

Question 57

Plants water filled central vacuole supports

Answer 57

non woody parts

Question 58

Cilia, flagella

Answer 58

appendages of movement

Question 59

Hydrophilic

Answer 59

water loving

Question 60

Hydrophobic

Answer 60

water fearing

Question 61

Passive transport

Answer 61

Diffusion, facilitated diffusion, osmosis

Question 62

Active transport

Answer 62

cell supplies energy, against concentrations gradient, lower solute to higher solute

Question 63

Diffusion

Answer 63

movement of particles from high concentration to low concentration

Question 64

Osmosis

Answer 64

diffusion of water across selectively water permeable membrane

Question 65

99% water inside cell, 99% water outside of cell

Answer 65

constant cycle of water in and out of cell

Question 66

99% water inside cell, 100% water outside

Answer 66

Net movement of water into cells, cells swells, might burst

Question 67

99% water inside cell, cells are in salt water

Answer 67

Net movement of water out of cells, cells shrivels

Question 68

Energy for active transport

Answer 68

atp

Question 69

E doctors is

Answer 69

cells engulf large molecules

Question 70

Exocytosis

Answer 70

moves large molecules out of cells

Question 71

Positive charge means

Answer 71

less electrons

Question 72

Proteins

Answer 72

enzymes, hemoglobin

Question 73

What do plant cells have that animal cells don’t

Answer 73

Cell wall, Chloroplast

Question 74

Structures present in eukaryotic cells but not in prokaryotic cells

Answer 74

Nucleus, endoplasmic reticulum, mitochondria, chloroplast

Question 75

Fun room of mitochondria

Answer 75

produce atp by aerobic metabolism

Question 76

Function of golgi apparatus

Answer 76

modifies and packages proteins