Question and answer
what is the difference between parenchyma, collenchyma and sclerenchyma?
Parenchyma - most abundant cell type in plants (e.g. [ cells making up the fundamental ground tissues; usually unspecialized; characteristics include: living at maturity with a very thin cell wall large vacuole for storage and sequestering of materials large amount of intracellular space spherical relatively regular shape very elastic (can change shape and then return to original shape with
little deformation) Functions of parenchyma cells include: photosynthesis storage secretion Collenchyma - found just below the epidermis in petiole (e.g. celery stalks), leaves, and young stems; usually specialized; characteristics include: living at maturity irregularly thickened cell walls (+cellulose) prism shaped plastic (can change shape but do not usually return to the original shape; remain deformed) Functions of collenchyma cells include: support some involvement in transport of nutrients Sclerenchyma - in mature parts of the plant, especially in woody plants and herbaceous perennials; specialized; characteristics include: dead at maturity - protoplast is absent very thick, sclerified cell wall (+lignin) impermeable to water and other nutrients in cells specialized for transport of water and nutrients, the cell wall contains holes called pits. Functions include: support protection transport of water and nutrients Specific examples of sclerenchyma cells: fibers - long and slender sclerids (stone cells) - relatively spherical; the gritty texture of pears is due to the presence of stone cells. ]
Expert answered|phobicism|Points 1625|
Question
Asked 6/9/2010 1:33:33 AM
Updated 6/16/2011 10:29:28 AM
1 Answer/Comment
Get an answer
New answers
Rating

There are no new answers.

Comments
vgtgfj
Added 6/16/2011 10:29:28 AM
Add an answer or comment
Log in or sign up first.
19,238,728 questions answered
Popular Conversations
The slope of the line passing through the points (-1, 5) and (3, 5) ...
Weegy: (-1) * 5 = -5 User: what is the slope of the line passing thru (0,4) and (-8,-1) User: What is the slope of ...
1/29/2015 4:21:11 AM| 2 Answers
true or false. A pronoun is a noun substitute.
Weegy: They is a pronoun. User: true or false. A noun indicates the action in a sentence.
1/29/2015 8:22:51 AM| 2 Answers
Select the correctly written sentence in this group. a. Without a ...
Weegy: The correct sentence is: Without a plan for the weekend, we decided to take in a Saturday matinee. User: ...
1/29/2015 4:16:00 PM| 2 Answers
Weegy Stuff
S
L
Points 2056 [Total 2077]| Ratings 0| Comments 2056| Invitations 0|Offline
S
L
P
L
P
Points 1370 [Total 6647]| Ratings 0| Comments 1370| Invitations 0|Offline
S
1
L
1
L
P
P
L
P
P
Points 716 [Total 15727]| Ratings 1| Comments 706| Invitations 0|Offline
S
L
Points 438 [Total 1119]| Ratings 2| Comments 418| Invitations 0|Offline
S
1
L
L
Points 300 [Total 7000]| Ratings 1| Comments 290| Invitations 0|Offline
S
Points 117 [Total 132]| Ratings 1| Comments 107| Invitations 0|Offline
S
P
C
L
P
L
1
Points 92 [Total 6680]| Ratings 1| Comments 82| Invitations 0|Offline
S
L
Points 83 [Total 1644]| Ratings 0| Comments 83| Invitations 0|Offline
S
Points 63 [Total 445]| Ratings 0| Comments 63| Invitations 0|Offline
S
Points 50 [Total 52]| Ratings 0| Comments 0| Invitations 5|Offline
Home | Contact | Blog | About | Terms | Privacy | Social | ©2014 Purple Inc.