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plants and medicine > plants and medicine final examn > Flashcards

plants and medicine final examn Flashcards

1
Q

What colors do chlorophyll a and b absorb

A

absorb all colors but green

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2
Q

what colors do carotenoids reflect?

A

yellow, orange, and red

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3
Q

when can you see carotenoids

A

when chlorophyll dies in the fall

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4
Q

meaning of anthocyanins

A

Anthos: flower
Kyanos: blue

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5
Q

is anthocyanins soluble or insoluble

A

soluble (it has oh groups (polar)) and 3 benzene rings

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6
Q

what is light screen hypothesis

A

anthocyanins shade chlorophyll from excess light

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7
Q

what is photoinhibition

A

decline in photosynthetic capacity of chlorophyll

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8
Q

what causes photoinhibition

A

temp drops

decreased moisture and lack of nutrients

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9
Q

where are anthocyanins found?

A

found in upper epidermis and upper palisade

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10
Q

How is anthocyanin production in foliage (plant leaf) caused?

A

environmental stress
low temp
drought
low nutrients

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11
Q

Trees farther up north have more what

A

anthocyanins

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12
Q

Interpret into your own words: progression of leaf senescense (leaf dying) is most commonly monitored as chlorophyll degradation

A

as leaf dies, chlorophyll also starts to die

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13
Q

what does the word irradiance mean

A

sun

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14
Q

scientific name for eastern white pine

A

pinus strobus (NEEDLES IN A CLUSTER)

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15
Q

how many needles does eastern white pine have

A

5

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16
Q

scientific name for short leaf pine

A 
Pinus echinata: 
two needles (fasicicle) needles are longer than 2 and a half inches (CLUSTERS)
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17
Q

scientific name for picea abies

A

norway spruce

Square, short, sharp needles on a peg

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18
Q

scientific name for eastern hemlock

A

tsuga canadensis

FLAT LEAVES, attachment on cushion (0.3-0.7 inches long)

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19
Q

scientific name for yew tree

A

taxus species
not a fir
FLAT leaves
aril

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20
Q

scientific name for bald cyprus

A

taxodium species (deciduous leaves) flat LEAVES

21
Q

scientific name for eastern red cedar

A

juniperus virginiana

dioecious, and has ovulate cones

22
Q

for juniperus virginina, there are two types of leaves

immature and mature… how do you tell them apart?

A

immature is way more spiker than mature

23
Q

what does gymnosperm mean

A

cone bearing, evergreen, with needles

24
Q

what is a monoecious plants

A

plants have both female and male parts

25
Q

what is a dioecious plants

A

plant is either male or female

26
Q

what is the common name of serona repens

A

palmetto or american dwarf palm

27
Q

serona repens is native to what country?

A

america

28
Q

what part of the serona repens is used to treat benign prostatic hyperplasia

A

The Serona Repens extract from the berries are used

29
Q

Name the condition in men for which Serona repens is used and define benign prostatic hyperplasia

A

benign prostatic hyperplasia and it is a swelling of the prostate which narrows the urethra

30
Q

is benign prostatic hyperplasia cancer?

A

no, it is benign

31
Q

what is the mechanism of action of Serona Repens

A

inhibits the production of dihydrotestosterone from testosterone by inhibiting the enzyme

32
Q

What is the enzyme that prevents the mechanism of action

A

5 alpha reductase

33
Q

what compound is the precursor of DHT?

A

Testosterone

34
Q

what is the main active ingredient of Serona repens is what componenet

A

free fatty acids

35
Q

Which brand of Serona repens had the highest percentage of free fatty acid

A

permixon

36
Q

did you have any bias when reading the article

A

title: says “not created equal”

also it is biased because it is sponsored by unlimited education grant by pierre fabe medicament.

37
Q

What is the only confier that is deciduous

A

bald cyprus

38
Q

Scientific name for Virginia pine

A

Pinus virginiana
- two needles per fascicle, needles are less than 2 and a half inches and it is twisted.
cone with dark (purple band) under distal end of scale

39
Q

3 different parts of pericarp

A

exocarp - the skin
mesocarp - fleshy portion
endocarp - endocarp (paper like part in apples)

40
Q

Meaning of hesperidium

A

outer leathery rind

outer leathery peel on citrus

41
Q

meaning of pepo

A

outer hard rind (thick peel) think of squash

42
Q

What is aggregate fruit

A

same flower, several ovaries (strawberries)

43
Q

what is multiple fruit

A

several flowers (pineapple)

44
Q

what is syconium

A

receptacle has many small flowers inside (fig) think of the wasp

45
Q

what is the difference between indehiscent and dehiscent fruits

A

dehiscent fruit means split

46
Q

what fruit has one seam

A

milk weed (follicle)

47
Q

what fruit has two seams

A

beans and peas (legume)

48
Q

which one has several united carpels

A

capsule fruits (rhododendron)

49
Q

what is schizocarp

A

split carpel (with more than one seed) example is a maple

plants and medicine (1 decks)

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