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.
21,554,186 questions answered
Popular Conversations
Financial statements should be prepared before any adjustments are ...
Weegy: Financial statements should be prepared before any adjustments are made. False. User: The credit side of an ...
7/4/2015 3:44:09 AM| 3 Answers
A chart of accounts does NOT include (Points : 1) assets. ...
Weegy: A chart of accounts does NOT include NAMES OF CUSTOMERS. User: Source documents provide objective, ...
7/4/2015 8:48:25 PM| 2 Answers
Profits from operating activities distributed to business owners are ...
Weegy: Profits from operating activities distributed to business owners are called dividends. TRUE. User: The ...
7/4/2015 3:55:42 AM| 1 Answers
Weegy Stuff
S
1
L
P
1
1
Points 126 [Total 1532]| Ratings 1| Comments 116| Invitations 0|Offline
S
1
Points 84 [Total 595]| Ratings 0| Comments 84| Invitations 0|Offline
S
Points 31 [Total 31]| Ratings 1| Comments 21| Invitations 0|Offline
S
1
L
L
Points 24 [Total 8404]| Ratings 0| Comments 24| Invitations 0|Offline
S
P
C
L
P
L
1
P
P
1
P
1
P
Points 13 [Total 9542]| Ratings 0| Comments 13| Invitations 0|Offline
S
R
Points 6 [Total 208]| Ratings 0| Comments 6| Invitations 0|Offline
S
L
P
P
Points 4 [Total 3563]| Ratings 0| Comments 4| Invitations 0|Offline
S
Points 4 [Total 4]| Ratings 0| Comments 4| Invitations 0|Offline
S
Points 1 [Total 1]| Ratings 0| Comments 1| Invitations 0|Offline
S
Points 1 [Total 44]| Ratings 0| Comments 1| Invitations 0|Offline
Home | Contact | Blog | About | Terms | Privacy | Social | ©2015 Purple Inc.