Plant Biology: Exam 1 Flashcards Preview

College! > Plant Biology: Exam 1 > Flashcards

Flashcards in Plant Biology: Exam 1 Deck (95):
0

Angiosperms

Flowering plants

1

Eukaryotes

Have nucleus and are most animals and plants

2

Prokaryotes lack nucleus
Bacteria

.

3

Gymnosperms

Do not flower

4

Sets of instructions

DNA and RNA

5

Translates DNA and RNA

Ribosomes

6

Cells only need

Membrane
Protoplasm, cytoplasm, cytosol
DNA or RNA
Ribosomes

7

Central dogma

DNA is transcribed to RNA which is translated from ribosomes to protein

8

Golgi body is like a cellular

Subway

9

Mitochondria

Energy!

10

Vacuoles account for this in cells

Storage and disposal

11

Gymnosperms

Naked seeds

12

Example of gymnosperm

Pine

13

Turgor pressure

Water in cells that make a plant have structure

14

What can Dcmu and cyanide do to a plant

Disturb the electron transport chain and photosynthesis

15

Calvin-benson cycle

Using chemical energy to fix carbon dioxide ultimately as sugar

16

Respiration

The complete breakdown of glucose to carbon dioxide in presence if oxygen to form

ATP

17

Where does glycolysis occur

In the cytoplasm

18

What is glycolysis?

Taking glucose( a 6 carbon sugar), breaking it into 2, an capturing energy (ATP

19

If there is no oxygen available for respiration, what happens?

Fermentation

20

Results of fermentation:

Lactic acid, alcohol, co2

21

Respiration uses the

Kreb's cycle and electron flow for high ATP

22

Calvin cycle

Fixes carbon dioxide using products of "light reactions"

23

Photosynthesis inputs:

Light, co2, and water

24

Photosynthesis outputs:

O2, ATP, sugars

25

Where do light reactions occur?

The thylakoids membrane

26

What is a photo system?

Pigments working together to pass an electron to one that will accept it

27

What is needed in the Calvin benson cycle?

Rubp - sugar
Rubisco - enzyme
ATP and Nadh - energy

28

What does the Calvin benson cycle do?

Coverts carbon dioxide into sugar

29

Where do c4 plants thrive

Arid regions

30

The 4 biologically usable energy forms

Light
Electrons
Chemical gradients
Chemical bonds

31

What dies the electron transport chain do?

Sets up an electrical chemical gradient

32

3 parts of a chloroplast?

Thylakoids
Grana
Stroma

33

How does a plant get carbon dioxide?

Stomata

34

Cam plants separate co2 fixation in:

Time

35

C4 plants separate co2fixation in:

Space

36

What kind of plant closes stomata at night?

CAM

37

Bundle sheath cells and mesothelioma are in these plants:

C4

38

What is the stroma?

The space between the thylakoids and outer chloroplast membranes

39

Totipotency?

Ability of a single cell to become any other cell in an organism

40

5 kinds of tissue:

Roots, shoots, leaves, reproductive

41

Two cotyledons: d/m

Dicot

42

Flower parts in 4/5: dm

Dicot

43

Net like lead venation: dm

Dicot

44

Vascular and cork cambium: dm

Dicot

45

Vascular bundles in a ring: dm

Dicot

46

Has a tap root : dm

Dicot

47

One cotyledon: dm

Monocot

48

Flower parts in 3: dm

Monocot

49

Parallel leaf venation: dm

Monocot

50

No vascular/cork cambium: dm

Monocot

51

Scattered vascular bundles: dm

Monocots

52

Fibrous roots: dm

Monocots

53

3 tissues

Dermal
Vascular
Ground

54

Apical meristems account for what growth?

Vertical

55

Lateral meristems account for what growth

Girth lateral

56

Parenchyma has what kind of cell wall

Primary

57

What type if tissue is parenchyma?

Ground

58

Collencyhma have what walls that do what?

Primary walls that provide flexible support

59

Sclerenchyma have what kind of cell walls?

They have both primary and secondary. The secondary is highly liginified.

60

A type of sclerid:

Pear it's gritty

61

Xylem transports what?

Water

62

Phloem transports...

Sugar

63

Both phloem and xylem provide?

Transport and support

64

Where are tracheids found and are they alive?

The xylem and no

65

How are tracheids stacked?

Side to side

66

What kind if walls do tracheids have?

Secondary liginified walls

67

Are vessel elements alive and where are they found?

No, in the xylem

68

How are vessel elements different than tracheids

They are wider, have thinner walks, and stack end to end

69

Where are sieve tube elements and what do they do?

Phloem and they conduct water in angiosperms

70

How are sieve tube elements stacked?

End to end

71

Are sieve tube elements alive at maturity?

Yes

72

What is a companion cell?

A cell near sieve tube element that loads and unloads sugars

73

Dermal tissue of herbaceous plants;

One cell later epidermis

74

Dermal tissue of Woody plants

A multicellular periderm

75

What is he pericycle?

The lateral meristem found inside the endodermis

76

Has an x shaped endodermis?

Dicot root

77

What does a monicker have in it's root that differs from a dicot?

Central pith

78

Where do cells divide?

The root apical meristem

79

What us the primary way roots grow?

Elongation, not division

80

What is the rootcap's function?

To protect the apical meristem

81

From where do root hairs come?

The pericycle

82

Dicot stems have vascular bundles...

Arranged in rings

83

Monocot stems have vascular bundles...

Scattered

84

Monocot stems are messy

Dicot stems are organized

85

What does an intercalary meristem do?

Allows us to mow our lawns

86

Are secondary meristems lateral or vertical?

Lateral

87

Where do annual growth rings come from?

Secondary meristems

88

In vascular cambiums, what goes out and what pushes in

Phloem pushes out
Xylem pushes in

89

Single leaf per blade

Simple leaf

90

More than one leaf per blade

Compound

91

What dies a dicot have that a monocut lacks?

Palisade layer

92

How do the stomata differ in monocots and doctors?

The distribution in monocots is more even. Dicots have most of their stomata on the bottom

93

What are c4 plants a response to

Photo respiration

94

What kind of plant cell tissue is often toto potent

Parenchyma