Exam I

Front 1

organism that encloses its DNA in a nucleus

Back 1

Eukaryote

Front 2

angiosperms that includes grasses, orchids and palms

Back 2

monocot

Front 3

diploid spore forming stage in a plant life cycle

Back 3

sporophyte

Front 4

source of secondary growth

Back 4

lateral meristem

Front 5

embryo sporophyte ofa seed plant packaged with nutritive tissue inside a protective coat

Back 5

seed

Front 6

single celled organism the dna resides in the cytoplasam

Back 6

prokaryote

Front 7

animal that transmits a ptahogen between its host

Back 7

vector

Front 8

made up of living cells main component of groudn tissue

Back 8

parenchyma

Front 9

disease causing agent

Back 9

pathogen

Front 10

haploud gamete forming stage in plant life cycle

Back 10

gametophyte

Front 11

male gametophye of a seed plant

Back 11

pollen grain

Front 12

angiosperms that includes herbaceous plants woody trees and cacti

Back 12

eudicot

Front 13

the lignin reinforced walls of these cells strcturally support plant parts

Back 13

sclerenchyma

Front 14

source of primary growth

Back 14

apical meristem

Front 15

one pair of cells that define the stoma across the epidermis

Back 15

gaurd cell

Front 16

which of the following components waa not part of the earths early atmosphere

Back 16

oxygen gas

Front 17

which of the following sites may have been the site of assembly of complexx molecules of life

Back 17

at the hydropthermal vents in shallow pools of clay rich tidal flats

Front 18

two researches suggested in the 1960s that __ may ahve been the first informational molcule

Back 18

Saccharide

Front 19

stanley millers experiment demonstrated that

Back 19

amino acids can assemble under some conidtions

Front 20

the evolution of ___ resulted in an increase in the amount of oxygen in the atmosphere

Back 20

photosynthesis

Front 21

the first eukaryotic cells may have been

Back 21

protist

Front 22

which of the following eukaryotic organelles are believed to have existed as independent prokaryotes in the past

Back 22

chloroplast and mitocondria

Front 23

the process by which one bacterial cell transfers DNA to another is

Back 23

conjugation

Front 24

which of the following do anaerobic methanogens produce

Back 24

hydrogen sulfide

Front 25

flagellated protozoans posses a layer of elastic proteins just beneath the plasma membrane called the

Back 25

pellicle

Front 26

which of the following protitst are able to produce bioilluminescent molecules

Back 26

dinoflagellates

Front 27

which of the following would be of the greatest concern to an epidemiologist

Back 27

pandemic outbreak of a disease

Front 28

ferns are classified as

Back 28

seedless vascularplants

Front 29

a mushroom is

Back 29

a reproductive structure that releases sexual spores

Front 30

cutting down forest affects

Back 30

the local climate, balance in the ecoystem composition of soil and animals and insects

Front 31

photosynthic plants evolved directly from which of the following organisms

Back 31

green algae

Front 32

which of the following characteristics is common to bryophytes and to seedless vascular plants

Back 32

water required for fertilization

Front 33

in the lysogenic pathway the viral DNA is

Back 33

integrated into the bacterial chromosome

Front 34

in ferns, club mosses and horsetails

Back 34

the main plant type is a body gametophyte, the vascular tissue is abscent

Front 35

which of the following will eventually produce a mature pollen

Back 35

microspore

Front 36

the seed develops from

Back 36

the ovule

Front 37

which of the following plants are capable of secondary growth

Back 37

maple trees

Front 38

which of the following plants it not a gymnosperm

Back 38

palm

Front 39

angiosperms are more advanced than gymnosperms because gymnosperms lack which structure found in angiosperms

Back 39

fruits

Front 40

the domination of the flowering plants over the past 100 million years appear to be their coevolution with

Back 40

insect pollinaters

Front 41

in flowering plants pollen grains form in the flowers male part called

Back 41

the stamen

Front 42

which of the following is true of fungi

Back 42

includes molds yeasts and mushrooms,cells are structured in the mycelia, they produce spores and are all decomposers

Front 43

most true fungi send out cellular filaments called

Back 43

hyphae

Front 44

roots and shoots lenthern through activity at

Back 44

apical meristems

Front 45

when guard cells swell,

Back 45

a stoma opens

Front 46

a cuticle

Back 46

resists water loss covers epidermal cells contains waxes and cutin and resists attack by microorganisms

Front 47

what is true of monocots

Back 47

vascular bundles are destributed throughout stem tissue

Front 48

the stalk that supports the indiviudal eudicto leaf is the

Back 48

petiole

Front 49

the veins of leaves are used for

Back 49

transport of water and nutrients

Front 50

annual growth rings are formed in woody stems spincipally through the activities of the

Back 50

vascular cambium

Front 51

bark is

Back 51

a mixture of secondary phloem and periderm

Front 52

sugar transport from leaves to roots occurs by

Back 52

differences in source and sink

Front 53

water inside all of the xylem cells is being pulled upward primarily by

Back 53

negative pressure from the atmmosphere

Front 54

movement of soluable organic amterial through plants is known as

Back 54

translocation

Front 55

the source region in the pressure flow explanation of phloem transport is most often the

Back 55

LEAF