review 1A Flashcards

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1
Q

prokaryotes

A

do not have extensive organelles
have circular chromosomes
do not have a nucleus

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2
Q

which of the following is true about gram positive bacteria

they have a thin peptidoglycan layer in the cell wall

they have a second membrane around the peptidoglycan layer

they turn pink when Gram stained

all of the above

none of the above

A

none of the above

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3
Q

Antibiotics that disrupt cell wall maintenance (e.g., penicillin) are effective against

A

gram positive bacteria

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4
Q

______ bacteria use energy from inorganic molecules to make ATP

A

chemolithrotrophic

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5
Q

____ bacteria fix carbon from CO2 or CH4 to make organic molecules

A

autotrophic

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6
Q

aerobic bacteria produce O2

A

false

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7
Q

each of the following is true about cyanobacteria EXCEPT

some carry out nitrogen fixation
they use light energy to make ATP
they are heterotrophic/ consumers
they produce O2
they are bacteria

A

they are heterotrophic/ consumers

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8
Q

what is present in eukaryotes

A

nucleus & endomembrane system
mitochondria
cytoskeleton

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9
Q

T or F
evolutionarily, chloroplasts arose before mitochondria

A

false

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10
Q

each of the following is true about mitochondria in eukaryotes EXCEPT

they probably arose evolutionarily from infoldings of the cell membrane

they have their own DNA

they replicate independently of the cell they are located in

they have their own ribosomes

A

they probably arose evolutionarily from infoldings of the cell membrane

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11
Q

Evolutionarily, chloroplasts probably arose from cyanobacteria living in

A

eukaryotic cells that had mitochondria

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12
Q

In alternation of generations, spores are produced by the

A

sporophyte

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13
Q

T or F
a spore is a haploid reproductive cell that develops into a multicellular organism

A

true

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14
Q

T or F
In alternation of generations, the gametophyte generation is diploid

A

false, haploid

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15
Q

protists are

are all unicellular

are all multicellular

are all autotrophs

are all heterotrophs

live in dry areas

none of the above

A

none of the above

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16
Q

protists can move via

A

amoeboid motion
cilia
flagella

17
Q

The scientific name Pan Troglodytes is written correctly.

A

false, genus shouldn’t be capitalised

18
Q

what is a lineage of protists that has distinctive flagella with hair-like processes?

A

stramenopiles

19
Q

Which of the following includes important primary producers in the ocean and some bioluminescent species?

A

dinoflagellates

20
Q

_______ has a flagellum and collar of microvilli for filtering food from the water?

A

choanoflagellates

21
Q

plants do what (3)

A

store glucose as starch
fix carbon
have chloroplasts for photosynthesis

22
Q

anthophyta (eudicots) are
vascular or non vascular
what dominant generation

A

vascular, sporophyte dominant

23
Q

bryophyta division includes

A

mosses

24
Q

monilophyta division includes

A

ferns

25
Q

coniferophyta division includes

A

pine cones

26
Q

Plants have vascular tissue and dominant sporophyte generation in each of the following divisions EXCEPT

A

bryophyta

27
Q

Plants with seeds typically also have

A

pollen

28
Q

Mosses and ferns have seeds

A

false, seedless

29
Q

fruits and flower are present only in the division anthophyta

A

true

30
Q

mosses have a (what generation)

A

dominant gametophyte generation

31
Q

ferns: seeds or sperm w flagella

A

have sperm with flagella

32
Q

conifers (4)

A

have a dominant sporophyte generation and reduced gametophyte generation

produce pollen and can be found in wet and dry habitats

have seeds

have vascular tissue

33
Q

Each of the following occurs in the life cycle of a moss EXCEPT

eggs are produced in the antheridia and sperm are produced in the archegonia

the sperm fertilizes the egg in the archegonium

the sporophyte develops in the archegonium

the sporangia are spore-producing structures

the spore-producing structures are usually elevated on a stalk to aid in spore dispersal

A

eggs are produced in the antheridia and sperm are produced in the archegonia

34
Q

Each of the following occurs in the life cycle of a fern EXCEPT

antheridia and archegonia are located on the gameophyte

the sperm fertilizes the egg in the archegonium

the sporophyte begins developing the in the archegonium

the sporophyte dies, and gametophyte grows very large

ferns have homospory and produce only one type of spore

A

the sporophyte dies, and gametophyte grows very large

35
Q

Which of the following is true about the pine life cycle?

pines have heterospory and produce microspores and megaspores

the pollen grain is the male gametophyte

the egg is fertilized within the ovule, and the seed develops within the ovule

seeds are dispersed by wind or animals

all of the above

A

all of the above