review 1A

Question 1

prokaryotes

Answer 1

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

Question 2

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

Answer 2

none of the above

Question 3

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

Answer 3

gram positive bacteria

Question 4

______ bacteria use energy from inorganic molecules to make ATP

Answer 4

chemolithrotrophic

Question 5

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

Answer 5

autotrophic

Question 6

aerobic bacteria produce O2

Answer 6

false

Question 7

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

Answer 7

they are heterotrophic/ consumers

Question 8

what is present in eukaryotes

Answer 8

nucleus & endomembrane system
mitochondria
cytoskeleton

Question 9

T or F
evolutionarily, chloroplasts arose before mitochondria

Answer 9

false

Question 10

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

Answer 10

they probably arose evolutionarily from infoldings of the cell membrane

Question 11

Evolutionarily, chloroplasts probably arose from cyanobacteria living in

Answer 11

eukaryotic cells that had mitochondria

Question 12

In alternation of generations, spores are produced by the

Answer 12

sporophyte

Question 13

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

Answer 13

true

Question 14

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

Answer 14

false, haploid

Question 15

protists are

are all unicellular

are all multicellular

are all autotrophs

are all heterotrophs

live in dry areas

none of the above

Answer 15

none of the above

Question 16

protists can move via

Answer 16

amoeboid motion
cilia
flagella

Question 17

The scientific name Pan Troglodytes is written correctly.

Answer 17

false, genus shouldn’t be capitalised

Question 18

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

Answer 18

stramenopiles

Question 19

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

Answer 19

dinoflagellates

Question 20

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

Answer 20

choanoflagellates

Question 21

plants do what (3)

Answer 21

store glucose as starch
fix carbon
have chloroplasts for photosynthesis

Question 22

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

Answer 22

vascular, sporophyte dominant

Question 23

bryophyta division includes

Answer 23

mosses

Question 24

monilophyta division includes

Answer 24

ferns

Question 25

coniferophyta division includes

Answer 25

pine cones

Question 26

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

Answer 26

bryophyta

Question 27

Plants with seeds typically also have

Answer 27

pollen

Question 28

Mosses and ferns have seeds

Answer 28

false, seedless

Question 29

fruits and flower are present only in the division anthophyta

Answer 29

true

Question 30

mosses have a (what generation)

Answer 30

dominant gametophyte generation

Question 31

ferns: seeds or sperm w flagella

Answer 31

have sperm with flagella

Question 32

conifers (4)

Answer 32

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

Question 33

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

Answer 33

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

Question 34

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

Answer 34

the sporophyte dies, and gametophyte grows very large

Question 35

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

Answer 35

all of the above