Midterm Review

Question 1

“The Flowering Hormone”

Answer 1

Florigen

Question 2

How plants measure the length of day/night

Answer 2

photoperiodism

Question 3

short day plants:

Answer 3

cocklebur, chrysanthemum

Question 4

long day plants:

Answer 4

white mustard, spinach

Question 5

day neutral plants:

Answer 5

cucumber, sunflower

Question 6

plants keep track of day length by measuring ?

Answer 6

length of darkness

Question 7

What does vernalization do to a a plant?

Answer 7

reverses late flowering phenotype

Question 8

What causes variation in seed maturity within a single plant?

Answer 8

Different ages of umbels due to timing of emergence

Question 9

Name the 4 Whorls, outer to inner.

Answer 9

1. Sepal
2. Petal
3. Stamen
4. Carpel

Question 10

Function between A&B or B&C

Answer 10

combinatorial

Question 11

Function between A&C

Answer 11

Antagonistic

Question 12

Define microsporocytes

Answer 12

pollen mother cells

Question 13

Define sporopollenin

Answer 13

pollen coat

Question 14

Naked seed VS enclosed by ovary

Answer 14

Gymnosperm VS angiosperm

Question 15

Sperm(n)+egg(n)= ?

Answer 15

embryo(2n)

Question 16

Sperm(n)+polar nuclei(2n)= ?

Answer 16

endosperm(3n)
double fertilization

Question 17

What is the function of synergid cells?

Answer 17

guides the sperm nuclei to the egg cell

Question 18

Define heterosis

Answer 18

inbreeding F1 gen to find superior phenotypes

Question 19

“brown anther” VS “petaloid”

Answer 19

male sterility
feminized male sterility

Question 20

Define self incompatilibity

Answer 20

Will not accept own pollen but will accept pollen from different plants of same species

Question 21

What can CRISPR be used for?

Answer 21

to give seed acquired bacterial immunity

Question 22

What does the LEC1 gene to to cotyledon leaves?

Answer 22

gives adult characteristics

Question 23

What does a post-embryonic expression of LEC1 do?

Answer 23

Produces embryo-like structures in vegetative tissues

Question 24

Dehydration=
hydration=

Answer 24

condensation
hydrolysis

Question 25

α-glucan
spiral

Answer 25

starch

Question 26

β-glucan
linear

Answer 26

cellulose

Question 27

packing
solid at room temp

Answer 27

saturated fat

Question 28

non-packing
liquid at room temp

Answer 28

unsaturated fat

Question 29

when 2 amino acids join and dehydrate (condensate), they form a ____ bond

Answer 29

peptide

Question 30

Albumins: ____ soluble
Globulins: ____ soluble
Glutelins: dilute ____ or ____ soluble
Prolamins: aqueous ____ soluble

Answer 30

water
salt
acid or alkaline
aqueous alcohol

Question 31

Glutelin + gliadin =

Answer 31

gluten