Shared Flashcard Set

Details

Plant Biology Exam 2 stuff
Metabolism, Plant Tissues, Root Systems, Stems, Leaves
45
Other
Undergraduate 1
12/12/2012

Additional Other Flashcards

 


 

Cards

Term
define: glycolysis
Definition
glucose molecules split into 2 pyruvate
--not much ATP produced
Term
define: citric acid cycle
Definition
each acetyl co A enzyme enters citric acid cycle, combines with 4 carbon compound.
Term
final electron acceptor in electron transport chain
Definition
oxygen
Term
equation for aerobic respiration
Definition
6C2H3O2+6O2+6H20 = 6CO2+12H20+energy!
Term
fermentation is a _____ pathway that degrades ________
Definition
anaerobic; degrades.
Term
functions of a plants root systems
Definition
obtains water and dissolved minerals
Term
functions of a plants shoot systems
Definition
obtain sunlight and CO2
Term
what is a bud and where does it develop?
Definition
undeveloped embryonic shoot, develops on the stems
Term
what are the three tissue systems?
Definition
dermal, vascular, and ground.
Term
what kinds of cells make up the vascular tissue system?
Definition
xylem and phloem
Term
what is the xylems function and what is it composed of?
Definition
conducts water and dissolved minerals.
made up of trachieds and vessel elements
Term
what is the phloems function and what is it composed of?
Definition
conducts carbs (glucose)
made up of seive tube elements and companion cells
Term
what kinds of cells make up ground tissue? (3)
Definition
parenchyma, sclrenchyma, and collenchyma
Term
describe parenchyma
Definition
unspecialized, thing walled, loosely packed, CONTAIN PIGMENTS.
Term
describe sclrenchyma
Definition
extremely thick walled, provide strength and support for plant.
Term
what 2 ground tissues are supportive?
Definition
collenchyma and sclrenchyma.
Term
true or false: parenchyma is the only one of the ground tissues found in every plant organ, stem and leaves
Definition
false. all 3 ground cells are found in all tissues etc.
Term
________ (ground tissue) has meristematic ability
Definition
parenchyma
Term
the stomata is flanked by ________
Definition
guard cells
Term
describe periderm
Definition
outermost layer of cells, woody stem or root.
Term
describe the apical meristem and where is it found?
Definition
area of cell division - at tip of stem or root.
Term
secondary growth only occurs in what kind of plants?
Definition
woody plants.
Term
functions of roots
Definition
anchorage, absorption, conduction, storage.
Term
function of the root cap
Definition
protects delicate meristem
Term
function of a root hair
Definition
increases absorption.
Term
describe mycorrhiza
Definition
mutually beneficial association between a fungus and root hair that helps plant absorb essential minerals from soil.
Term
describe a nodule
Definition
small swelling on root of a plant, beneficial, nitrogen-fixing.
Term
define Casparian strip
Definition
band of waterproof material , ensures water and minerals enter xylem only!
Term
define pericycle
Definition
meristematic tissue, layers of cells just inside of epidermis. gives rise to lateral roots.
Term
xylem + phloem =
Definition
steele
Term
true or false: a dicot has pith in the center.
Definition
FALSE. only monocot roots do.
Term
true or false: monocots lack a vascular cambium
Definition
TRU (lol)
Term
what are the functions of a plants stem
Definition
support, conduction, and to produce new living tissue.
Term
describe Prickles
Definition
out growths of the epidermis (raspberry, rose)
Term
describe thorns
Definition
modified stems (hawthorwn)
Term
describe spines
Definition
modified leaf buds.
Term
vascular bundles in monocots are.......
Definition
SCATTERED!
Term
vascular bundles in dicots are......
Definition
ARRANGED
Term
secondary growth only occurs in ______________ (2 types of plants)
Definition
woody eudicots and conifers.
Term
cork cambium produces what tissues?
Definition
tissues that make up bark
Term
what is the function of lenticels?
Definition
allow gas exchange
Term
what is the function of spongy mesophyll?
Definition
allow air to diffuse among the cells which are producing and releasing both CO2 and O2.
Term
where do bundle sheath cells occur?
Definition
surrounding vascular bundles
Term
periderm replaces the epidermis in what kind of plants?
Definition
woody plants!
Term
vascular cambium is essentially made up of
Definition
secondary xylem and secondary phloem
Supporting users have an ad free experience!