Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Plant Biology > Plant cell bio > Flashcards

Plant cell bio Flashcards

1
Q

Function of cell wall

A

Tensile strength

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How is the cell wall formed

A

Rosette shaped cellulose synthesizing complex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

How does the rosette shaped complex work

A

Releases cellulose microfibrils outside plasma membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What happens to the cellulose microfibrils after they’re released

A

Polymerize + hydrogen bond to form cell wall

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What does the cellulose microfibril deposition arrangement depend on

A

the arrangement of the microtubule

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Microtubule function in plasma membrane

A

Determines pattern of cellulose microfibril formation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Cell wall components

A

Cellulose microfibrils, hemicellulose, pectin, lignin, soluble protein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Main component of secondary cell wall

A

Lignin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What happens to the cell when the secondary cell wall is added

A

It dies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Why does addition of lignin kill the cell

A

It prevents fusion of gas and water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Cell wall layers

A

Primary cell wall, middle lamella, secondary cell wall.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which cell wall layer is closer to the plasma membrane

A

Secondary cell wall

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Why is secondary cell wall closer to plasma membrane

A

Because they’re formed inside out

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which cell wall layer is the oldest

A

Primary/outermost

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What replaces the extracellular matrix in plants

A

middle lamella

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the middle lamella made of

A

Pectin

17
Q

Function of pectin

A

Forms gel in matrix to “glue” stuff together, links with calcium ions to create jelly like pectin network structure filling middle lamella

18
Q

What is cellulose made of

A

Beta glucose

19
Q

When might the secondary cell wall be formed

A

After expansion ceases

20
Q

What is the difference in composition and structure between primary and secondary cell wall

A

Cellulose microfibrils more parallel than in primary and higher proportion of cellulose in secondary

21
Q

How do animal cells expand

A

Organelle synthesis

22
Q

Plants expansion method

A

Water uptake

23
Q

What direction does a plant cell expand in

A

Perpendicular to the cellulose microfibrils

Plant Biology (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions