Study Guide Exam

Front 1

scientists often use experiments to test their ___which are possible explanations for observations

Back 1

hypothesis

Front 2

___is defined as the amount of space something occupies

Back 2

Volume

Front 3

a life scienctists would use ___ to magnify a living speciman

Back 3

compound light microscope

Front 4

a set of related hypothesis that are supported by evidence may become accepted as a ____

Back 4

theory

Front 5

a ____ is the use of knowledge, tools, and materials to solve problems and accomplish tasks

Back 5

technology

Front 6

which of the following areas of study you will find a life scientist working on

Back 6

studying how wasps could be used to control fire ant populations

Front 7

researchers use the scientific science method on

Back 7

repeat or switch the order of steps as needed

Front 8

scientists who wantd to study the possible effects of a new medicine would probably

Back 8

include a control group that recieved no medicine

Front 9

tools that life scientists would use to obtain a detailed image of the nerves that branch off a persons spipnal cord

Back 9

an MRI

Front 10

scientific experiment, a hypothesis that cannot be tested is always consideredto be

Back 10

not useful

Front 11

a ___ object contains the same amout of matter as a 10 kg object

Back 11

10,000

Front 12

in the cell membrane ____ molecules form two layers

Back 12

phosolipid

Front 13

planarian worm is cut in half and developes into a whole worm is

Back 13

asexual

Front 14

_____ are sometimes called the blueprints of life

Back 14

nucliec acids

Front 15

______ is the passing of traits from one generation to another

Back 15

heredity

Front 16

___ refers to all the chemical activities that an organisms cell performs

Back 16

metabolism

Front 17

___ is a complext carbohydrate manufactured by plants

Back 17

starch

Front 18

duck dives under water its inner eyelids automatically raise to cover the ducks eye and the water reacts by

Back 18

a stimulus

Front 19

the molecule that provides energy for cellular processes

Back 19

ATP

Front 20

the subunits of proteins are called

Back 20

amino acids

Front 21

cells do not ____ for energy storage

Back 21

nucleic acids

Front 22

the following that is not true of proteins is that

Back 22

they are the primary source of energy for cells

Front 23

the following statements is not true of the cell theory is

Back 23

all cells have a nucleus and a cell membrane

Front 24

life scientists who observes the relationships between plants, animals, weather and soil on a mountaintop is studying

Back 24

ecosystem

Front 25

which of the following contain cellulose

Back 25

all plant cells

Front 26

which part of the cell is manufactured lipids

Back 26

endoplasmic reticulum

Front 27

materials that are released outside the cell are transported to the cell membrane in a small compartment that has pinched off the

Back 27

Golgi Complex

Front 28

which of the following is not a characteristic of bacteria

Back 28

they have an edoplasmic retculum

Front 29

____ are made up of various tissues that work together to perform a specific job

Back 29

organs

Front 30

role fo the cell's _____ is to release energy that be used to power various cellular processes

Back 30

mitochondria

Front 31

unlike animal cells have ___ to capture enrgy from the sun

Back 31

chloroplasts

Front 32

DNA, the genetic material of a eukaryotic cell's _____

Back 32

nucleus

Front 33

cells that hafe no memrane-covered organelles are ______

Back 33

prokaryotic

Front 34

a part of the Golgi Complex can pinch off and form a ______ which contains digesting enzymes

Back 34

lysosome

Front 35

______ is the random of particles from an area of high concentration to an area of low concentration

Back 35

diffusion

Front 36

plantd produce their own food by the process of _____

Back 36

photosynthesis

Front 37

food molecules that are too large to pass easilu through the cell membrane can enter the cell by

Back 37

endocytosis

Front 38

human body cells have 23 pairs of

Back 38

homologous

Front 39

the process of a cell division una a bacterial cell is called

Back 39

binary fission

Front 40

food particles move through the proteins in the cell membrane without using energy in a process called

Back 40

passive transport

Front 41

when wilted is soaked water, it becomes crisp again due to

Back 41

osmosis

Front 42

fermentation in animal cells produces

Back 42

lactic acid and ATP

Front 43

oxygen is break down food molecules and release energy in a process

Back 43

heat energy

Front 44

what is a product of photosythesis

Back 44

O2

Front 45

a _____ plant produces offspring with the same traits as the parent

Back 45

true breeding

Front 46

the physical expression of an organisms genes is its

Back 46

phenotype

Front 47

each parent donates a set of instructions, known as

Back 47

genes

Front 48

when Mendel performed genetic crosses, the traits that seemed to vanish were

Back 48

recessive traits

Front 49

eggs and sperms are ____

Back 49

sex cells

Front 50

these may be dominant or recessive

Back 50

alleles

Front 51

you cross two rabbits that have the genotype Bb, how many possible genotypes can be found in the offspring

Back 51

three

Front 52

how many chromosomes are present in a normal human sex cell

Back 52

23

Front 53

A purple flower with the genotype Pp P=; white=p self pollinates, the ratio of purple offspring to white offspring would be

Back 53

three purple : one white

Front 54

probability is

Back 54

the mathmatical chance that an event will occur

Front 55

genes are composed of subunites known as

Back 55

nucleotides

Front 56

chargaff's rules state that the amiunt of ___ in DNA is always equal to the amount of guanine

Back 56

adenine

Front 57

___ allows scientists to transfer genes from one genetic trait through generations of a family

Back 57

a pedigree

Front 58

examples of chemical ___ include asbestos and chemicals found in cigerette smoke

Back 58

mutagens

Front 59

the code for a givewn amino acid consists of ___ base

Back 59

three

Front 60

what materials make up each nucleotide in a DNA molecule

Back 60

a sugar, a phosophate, and a base

Front 61

most genetic disorders, such as sickle cell aminia, are due to a

Back 61

recessive gene

Front 62

the complementary strand to the DNA seguence TAGTCA would be

Back 62

ATCAGT

Front 63

which of the following statements is false

Back 63

the environment has no influence ona person's traits

Front 64

genetic engrineering is curently used to

Back 64

genetically alter plants, manufacturing proteins, repair damaged genes

Front 65

which of the following could cause sickle cell anemia

Back 65

a change in the order of bases in a person's DNA

Front 66

a pine tree is a member of the kingdom

Back 66

plantae

Front 67

some members of the kingdom Protista

Back 67

have flagella

Front 68

the seven classifications are

Back 68

kingdom, phylum, class, order, family, genus, and species

Front 69

linnaeus is known for

Back 69

founding the science taxonomy

Front 70

organisms in the kingdom ________ usually move by themselves and have advanced nervous systems that allow them to respond to their environment

Back 70

animilia

Front 71

the scientific name for the common house cat is Felis domesticus. What is its species name

Back 71

domesticus

Front 72

Eubacteria do NOT

Back 72

live in hot springs

Front 73

fungi obtain nutrients by

Back 73

absorbing them from their surroundings

Front 74

members of the kingdom _____ include such organisms as the molecules as the mold that grows on bread

Back 74

fungi

Front 75

orders of organisms are further broken down into

Back 75

families

Front 76

two organisms that are in the same class will also be in the same

Back 76

order

Front 77

some organisms int eh kingdom ____ are able to live inside the human body

Back 77

eubacteria