Lecture 21: Shoot Development

Question 1

photosynthesis, transpiration, transport and reproduction are all jobs done by ____

Answer 1

leaves/stems (shoots!)

Question 2

is a stem an organ?

Answer 2

yes

Question 3

___ are where leaves attach

Answer 3

nodes

Question 4

___ are between leaves

Answer 4

internodes

Question 5

___ has the potential to form lateral shoot/branch

Answer 5

axillary bud

Question 6

____ is responsible for the elongation of a young shoot

Answer 6

apical bud

Question 7

____ is when a plant can only grow tall, not wide

Answer 7

apical dominance

Question 8

are the cells in SAM differentiated?

Answer 8

no, they differentiate outside of the SAM

Question 9

leaves are initiated by the activity of the ____

Answer 9

SAM

Question 10

____ intercept light, exchange gases, dissapate heat, defend plants (chemically, waxy substances, spines)

Answer 10

leaves

Question 11

what does a typical leaf consist of?

Answer 11

flattened blade and stalk (called a petiole)

Question 12

a _____ is not divided into leaflets

Answer 12

simple leaf

Question 13

a ____ is a leaf that is sub-divided into leaflets

Answer 13

compound leaf

Question 14

what is a pinnate leaf?

Answer 14

a compound leaf where all the leaflets are attached to the petiole

Question 15

what is a palmate leaf?

Answer 15

a compound leaf where all the leaflets connect to a central location

Question 16

____ have two guard cells

Answer 16

stomata

Question 17

where are stomata located?

Answer 17

on the bottom of leaf

Question 18

what do stomata do?

Answer 18

exchange gases and water

Question 19

________ transporters control opening/closing of stomata

Answer 19

potassium-ion transporters

Question 20

what is the ground tissue in a leaf?

Answer 20

mesophyll

Question 21

what are the two kinds of mesophyll?

Answer 21

spongy mesophyll (lower half)
palisade mesophyll (upper half)

Question 22

each vein ina leaf is protected by a ______

Answer 22

bundle sheath of vascular tissue

Question 23

_____ have parallel leaf veins

Answer 23

monocots