Exam (elaborations)
BIO 152 MODULE 3 EXAM PORTAGE LEARNING LATEST 2021
- Course
- Institution
BIO 152 MODULE 3 EXAM PORTAGE LEARNING LATEST 2021
[Show more]
Seller
Follow
tutorsection1
Reviews received
Content preview
BIO 152 MODULE 3 EXAM PORTAGE LEARNINGLATEST 2024/2025 ALL QUESTIONS WITH 100%
CORRECT ANSWERS/ BIO 152 ANATOMY AND
PHYSIOLOGY MODULE 3 LATEST EXAM
Cell size - ANSWER 40 microliters
Characteristics of Plant Cells - ANSWER -cell walls
-plasma membrane
-large vacuoles
-chloroplasts
-starch grains can be present
-plasmodesmata
What do plant cell lack that animal cells have? - ANSWER lysosomes and
centrioles
Describe primary cell wall - ANSWER -flexible
-cellulose
Describe secondary cell wall - ANSWER -cellulose
-lignin
-other components
Describe Middle Lamella - ANSWER -protein rich layer
-cements together cell walls of adjacent cells
Describe Plasmodesmata - ANSWER -small tubes (cytoplamsic channels)
joining plant cells though pores in primary and secondary cell walls
-living bridge allowing molecules to pass cell to cell
-provide cell to cell communication
Plant Cell Types (4) - ANSWER -Parenchyma
-Collenchyma
-Sclererchyma
-Vascular (Xylem and Phloem)
Parenchyma Description - ANSWER -workhouse cells
-primary walls thin and flexible (no secondary)
-large vacuoles
-ALIVE at functional maturity
-abundant in fleshy part of fruit
What are vacuoles used for? - ANSWER water and solute storage
Parenchyma Function - ANSWER -totipotent "stem cells" regenerate cells that
are damaged
, -metabolism
-photosynthesis
-starch storage in stems and roots
Collenchyma Description - ANSWER -thick primary walls
-grouped in strands or cylinders
-ALIVE at functional maturity
Collenchyma Function - ANSWER -can elongate and expand with stem/leaf
growth
-flexible support for herbaceous and young woody plants
Sclerenchyma Description - ANSWER -thick secondary walls
-strengthened by lignin
-DEAD at functional maturity (lack protoplasts)
-contain Fibers and Sclereids
Sclerenchyma Function - ANSWER -cannot elongate with growth
-used for support
Fibers (Sclerenchyma) Description - ANSWER long slender and tapering in
bundles (rope,flax)
Sclereids a.k.a "stone cells" (Sclerenchyma) Description - ANSWER -short,
irregular shape
-make hard seed coat/nut shells
-gritty texture in pears
Groups of cells make up.... - ANSWER tissues
Root or shoot meristems produce... - ANSWER -protoderm
-ground meristem
-procambium
Protoderm creates.... - ANSWER dermal tissue system
Ground meristem creates... - ANSWER ground tissue system
Procambium creates... - ANSWER vascular tissue system
Vascular tissue definition? - ANSWER -continuous root tips to leaf bud (carrys
water across plant)
-structural support and transport
Vascular tissue types? (2) - ANSWER -Xylem
-Phloem
-both arranged in vascular bundles
Tracheids and Vessel Elements (Sclerenchyma) make up.... - ANSWER xylem
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller tutorsection1. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $17.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75759 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now