Bio Exam 4

Front 1

The calvin cycle occurs in the _ and creates __

Back 1

Stroma,( the fluid between the inner membrane of the chloroplast and the thylakoids.) creates Sugar

Front 2

The light reactions of photosynthesis use _____ and produce _____.

Back 2

water ... NADPH
NADPH is a reactant in the Calvin cycle

Front 3

What are products of the light reactions of photosynthesis that are utilized in the Calvin cycle?

Back 3

ATP and NADPH

Front 4

When oxygen is released as a result of photosynthesis, it is a direct by-product of

Back 4

splitting water molecules

Front 5

Photosynthesis is a redox rxn. meaning H2O is __ during the light rxns and CO2 is _ during the Calvin cycle

Back 5

oxidized...reduced

Front 6

describe the functioning of photosystem II

Back 6

The electron vacancies in P680+ are filled by electrons derived from water.

Front 7

a thylakoid got punctured so that the interior of the thylakoid is no longer separated from the stroma. This damage will have the most direct effect on which of the following processes

Back 7

the synthesis of ATP

Front 8

In a plant cell, where are the ATP synthase complexes located

Back 8

thylakoid membrane and inner mitochondrial membrane

Front 9

In mitochondria, chemiosmosis translocates protons from the matrix into the intermembrane space, whereas in chloroplasts, chemiosmosis translocates protons from

Back 9

the stroma to the thylakoid space.

Front 10

describe the relationship between photosynthesis and respiration

Back 10

Photosynthesis stores energy in complex organic molecules, whereas respiration releases it

Front 11

The splitting of carbon dioxide to form oxygen gas and carbon compounds occurs during

Back 11

neither photosynthesis nor respiration
o2 is made when water is split

Front 12

photosynthetic green algae and a control flask containing water with no algae are both placed under a bank of lights 12 light 12 dark dissoved O2 concentration are

Back 12

The dissolved oxygen in the flask with algae will be higher in the light, but lower in the dark.

Front 13

Inputs and outputs of the light reactions

Back 13

Input: Light, ADP, Water, and NADP+
Output: ATP, O2 and NADPH

Front 14

Inputs and outputs of the Calvin cycle

Back 14

Inputs: ATP, NADPH, CO2
Outputs:ADP, NADP+, GP3 (NOT GLUCOSE)

Front 15

Which are outputs from the Calvin cycle are also inputs to the light reactions

Back 15

NADP+ and ADP

Front 16

Carbon fixation involves the addition of carbon dioxide to _____

Back 16

RuBP

Front 17

After 3-PGA is phosphorylated, it is reduced by

Back 17

NADPH supplies the electrons that reduce the phosphorylated 3-PGA.

Front 18

How many carbon dioxide molecules must be added to RuBP to make a single molecule of glucose?

Back 18

6

Front 19

the overall function of the Calvin cycle is _____

Back 19

Using the ATP and NADPH made during the light reactions, carbon is reduced in the Calvin cycle and sugar is made.

Front 20

best represents the relationships between the light reactions and the Calvin cycle?

Back 20

The light reactions provide ATP and NADPH to the Calvin cycle, and the cycle returns ADP, i, and NADP+ to the light reactions.

Front 21

Angiosperms are most closely related to _____

Back 21

gymnosperms

Front 22

What is an example of a seedless vascular plant?

Back 22

fern

Front 23

The living plants that are most similar to the first plants to bear gametangia are the _____.

Back 23

bryophytes

Front 24

When did plants evove from green algae?

Back 24

475 million years ago.

Front 25

what is a characteristics is shared by algae and seed plants?

Back 25

chloroplasts

Front 26

Seedless plants include ____

Back 26

bryophytes, lycophytes, ferns, whisk ferns, and horsetails

Front 27

stomata

Back 27

are located on the outer skin layer of a plant. Their main job is to let water vapor, gases, and oxygen to move quickly in and out

Front 28

increasing the number of stomata in leaves does:

Back 28

1. increasing dehydration of leaf tissues
2.countering the effect of declining on photosynthesis
3.increasing the air content next to the leaves higher than it would otherwise be

Front 29

Bryophtes

Back 29

moses, non vascular,small, moist environ, no roots Rhizoids, flag sperm

Front 30

What groups of protist plants have flagellated sperm?

Back 30

Lycophyta
Bryophyta
Chlorophyta
Pterophyta

Front 31

what do true mosses, ferns and spike mosses have in common ?

Back 31

flagellated sperm, and alternation of generations

Front 32

moss life cycle ___ cells within a sporangium undergo ___ to produce ___ spores.

Back 32

diploid
meiosis
haploid

Front 33

In mosses gametes are produced by _____; in ferns gametes are produced by _____.

Back 33

mitosis.mitosis

Front 34

The conspicuous part of a fern plant is a _____

Back 34

diploid sporophyte

Front 35

Most bryophytes, such as mosses, differ from all other plants in that they _____.

Back 35

lack true leaves and roots

Front 36

contrast to bryophytes, vascular plants the dominant stage of the life cycle is the ____

Back 36

sporophyte

Front 37

What evolutionary development allowed plants to grow tall

Back 37

lignified vascular tissue

Front 38

flagellated sperm, xylem with tracheids, separate gametophyte and sporophyte generations with the sporophyte dominant, and no seeds closest related to:

Back 38

ferns

Front 39

difference between angiosperms and gynmosperms='s

Back 39

angiosperms have ovary tissue covering the seeds.

Front 40

Angiosperms are diff from all other plants cause

Back 40

flowers

Front 41

Characteristic of all angiosperms

Back 41

double internal fertilization

Front 42

flowering plants have what kind of tissue

Back 42

includes sporophte tissue in vascular

Front 43

endosperm

Back 43

triploid sperm,has energy store for embryo thus angiosperm seeds last long . (inside the seed

Front 44

what are structures of angiosperms gametophytes

Back 44

pollen tubes

Front 45

angiosperm double fertilization formation of

Back 45

a diploid embryo and triploid food supply for embryo

Front 46

major benefits of doubler fert in angiosperms is

Back 46

the developmental timing with the embryo and its energy/food stores

Front 47

which flower part develops into a seed?

Back 47

ovule

Front 48

all seed plants

Back 48

are heterosporous

Front 49

adaptation for dry land environments by seed plants is likely result of evolution of _____

Back 49

pollen, no longer flagellate sperm

Front 50

group is noted for the independence of gametophyte and sporophyte generations from each other

Back 50

ferns

Front 51

in alt of gen, the inner parts of pollen grains of seed-producing plants are most similar to

Back 51

fern gametophyte bearing sperm

Front 52

is pollen in gymnosperms

Back 52

yes

Front 53

what structure do gymnosperms and angiosperms have in common?

Back 53

ovule (cones and flowers)

Front 54

polyphyletic

Back 54

a new taxon of plants that included all plants that are pollinated by animals, and only plants that are pollinated by animals,