Bio 2007 New

Front 1

the seperation of alleles is called

Back 1

segregation

Front 2

organism that have identicial alleles for a particular trait are

Back 2

homozygous

Front 3

the genetic makeup of an organism is its

Back 3

genotype

Front 4

genes that can have more than two alles have

Back 4

multiple allies

Front 5

what type of cell had two sets of chromosomes

Back 5

diploid

Front 6

shape formed by each strand of DNA

Back 6

helix

Front 7

Instructions for assembling amino acids into proteins are carried in

Back 7

messenger RNA or messenger gene

Front 8

What is the formation of a new species called?

Back 8

speciation

Front 9

What principle states the frequency of an allele in a population will remain constant unless one or more factors cause that frequency to change?

Back 9

Hardy Weignburg

Front 10

Which of the following is required to maintain genetic equilibrium?

Back 10

no mutation

Front 11

a gene pool typically contains

Back 11

two or more alliels

Front 12

what situation occurs when members of two different species cannot interbreed and produce fertile offspring?

Back 12

reproductive isolation

Front 13

a species that is easily recognizable, existed for relatively short period of time, and covered a geographic area may as a

Back 13

index fossil

Front 14

when a paleontologist measures the amount of an isotope present in a fossil, what dating techniques are being used?

Back 14

radioactive dating

Front 15

we are currently living in the cenozoic

Back 15

era

Front 16

what is(are) measure in eras and periods

Back 16

geologic time

Front 17

huge numbers of species disappear at once during

Back 17

mass extinction

Front 18

A corkscrew-shaped bacterium is called a

Back 18

spirullum

Front 19

a whiplike structure used for movement is a

Back 19

fogelum

Front 20

a _______ can be used to cure bacterial dieseases

Back 20

antibiotics

Front 21

techniques of _________ rely on extreme temperatures or chemical action to destroy bacteria

Back 21

starlization

Front 22

bacteria may reproduce by _________ fission

Back 22

bionary

Front 23

rod shaped bacterium

Back 23

bacilius

Front 24

how bacteria exchange genetic material

Back 24

conjectation

Front 25

the outer protein coat of a virus

Back 25

capsid

Front 26

single-celled microorganism that lacks a nuclues

Back 26

prokyariot

Front 27

disease causeing agent

Back 27

pathogen

Front 28

What is the name the type of organism that is not a plant, animal, a fungus or prokaryote

Back 28

protists

Front 29

extentsions of cytoplasm for movement and feeding are called

Back 29

pseudopods

Front 30

what structure in euglenophyes help them to detect light

Back 30

eye spot

Front 31

What is the name of the reproductive structure in ascomycetes that contains spores

Back 31

ascus

Front 32

in basidiomycetes, what is the reproductive structure that resembles a club called

Back 32

basidum

Front 33

what structure forms at the edge of a basidum

Back 33

basidiospore

Front 34

what is the name of the symbiotic association between a fungus and a photosynthetic organism

Back 34

lichen

Front 35

what is the association of a plant root and a fungus called

Back 35

mycronniza

Front 36

what is the seed-bearing structure of a gymnosperm called?

Back 36

cone

Front 37

What compounds do many algae have to help them absorb light at different wavelengths

Back 37

accessorie pigments

Front 38

what process allows paramecia to exchange genetic matter with other paramecia

Back 38

conjecation

Front 39

What is the name of process in which pollen is carried to the female gametophyte

Back 39

polynation

Front 40

What surrounds and protects a plant embryo?

Back 40

seed coat

Front 41

What is the thick wall of tissue that surrounds a seed called

Back 41

fruit

Front 42

What type of plant lives for more than two years

Back 42

perennial

Front 43

tissue specialized to conduct water and nutrients

Back 43

vascular tissue

Front 44

photosynthetic organ that contains one or bundles of vascular tissue

Back 44

leaf

Front 45

tissue that carries water upward from the roots and leaves of a plant

Back 45

zylum

Front 46

supporting structure that connects roots and leaves of a plant

Back 46

stem

Front 47

tissue that transports solutions of nutrients and carbohydrates in a plant

Back 47

phloem

Front 48

vessel elements, sieve tube elements, and companion cells are all parts of _______ tissue

Back 48

vascular

Front 49

In a dicot stem, parenchyma cells inside the ring of vascular tissue are known as the

Back 49

pith

Front 50

the older xylem near the center of a woody stem us called

Back 50

heartwood

Front 51

the older xylem near the center of a woody stem is surronded by a lighter-colored part of the stem called

Back 51

sapwood

Front 52

a part of a tree called _____ includes all tissues outside the vascular cambium

Back 52

bark

Front 53

an opening on the underside of a lead that allows carbon dioxide and oxygen to diffuse in and out of a leaf is called

Back 53

stoma

Front 54

________ controls at the opening and closing of stomata by responding to changes in water pressure

Back 54

guard cells

Front 55

the loss of water from a plant through its leaves is called

Back 55

transpiration

Front 56

the tendency of water to rise in a thin tube is called

Back 56

cappilary action

Front 57

according to the ________ materials move from a source cell, where photosynthesis produces a high concentration of sugars, to a sink cell, where sugars are lower in concentration

Back 57

flow hypothesis

Front 58

supporting structure that connects roots and leaves of a plant

Back 58

stem

Front 59

tissue that transports solutions of nutrients and carbohydrates in a plant

Back 59

phloem

Front 60

vessel elements, sieve tube elements, and companion cells are all parts of _______ tissue

Back 60

vascular

Front 61

In a dicot stem, parenchyma cells inside the ring of vascular tissue are known as the

Back 61

pith

Front 62

the older xylem near the center of a woody stem us called

Back 62

heartwood

Front 63

the older xylem near the center of a woody stem is surronded by a lighter-colored part of the stem called

Back 63

sapwood

Front 64

a part of a tree called _____ includes all tissues outside the vascular cambium

Back 64

bark

Front 65

an opening on the underside of a lead that allows carbon dioxide and oxygen to diffuse in and out of a leaf is called

Back 65

stoma

Front 66

________ controls at the opening and closing of stomata by responding to changes in water pressure

Back 66

guard cells

Front 67

the loss of water from a plant through its leaves is called

Back 67

transpiration

Front 68

the tendency of water to rise in a thin tube is called

Back 68

cappilary action

Front 69

according to the ________ materials move from a source cell, where photosynthesis produces a high concentration of sugars, to a sink cell, where sugars are lower in concentration

Back 69

flow hypothesis