Exam (elaborations)
BIOL 150 Exam a questions and answers already passed 2024
- Course
- Institution
BIOL 150 Exam a questions and answers already passed 2024
[Show more]
Content preview
BIOL 150 Exam #3 Question andanswers 100% correct (27 pgs)
What is in the primary cell wall structure? - correct answer ✔Cellulose &
Pectin
What is in the secondary cell wall structure? - correct answer ✔Waxes,
Cellulose & Lignin
What is the structure of the Extracellular Matrix (ECM)? - correct answer
✔Collagen, Integrins & Fibronectins
What is multicellularity? - correct answer ✔Physical connections between
cells
A group of cells with similar morphology and function is called? - correct
answer ✔A tissue
What are the layers of the extracellular space in between plant cells? - correct
answer ✔Primary cell wall 1, middle lamella, primary cell wall 2
What type of cell-cell attachment seals cells together? - correct answer
✔Tight junction
What type of cell-cell attachment connects the cytoskeletons of cells? - correct
answer ✔Desmosomes
,What type of cell-cell attachment acts as channels between cells and can
allow small molecules, sugars and nucleotides to pass through? - correct
answer ✔Gap junctions
What type of cell-cell attachment is a direct connection between cells where
the plasma membrane and cytoplasm are continuous and organelles can
move through? - correct answer ✔Plasmodesmata
What is the continuous network of cytoplasm connected by plasmodesmata
called? - correct answer ✔Symplast
What is the region outside the plasma membrane called? - correct answer
✔Apoplast
What molecule in the body acts as a cell signal? - correct answer ✔Hormone
What is signal reception? - correct answer ✔The binding of the signal to the
receptor at the cytoplasm of the target cell or at the plasma membrane of the
receptor
Somatic cells go through - correct answer ✔Mitosis
Gametes go through - correct answer ✔Meiosis
Asexual reproduction, daughter cells are identical to parent cell "clones" -
correct answer ✔Mitosis
Sexual reproduction, daughter cells are unique - correct answer ✔Meiosis
, Compacted DNA - correct answer ✔Chromatin
Compacted chromatin - correct answer ✔Chromosome
Single, long DNA double helix wrapped around proteins in a highly organized
manner - correct answer ✔Chromosome
Region of DNA that codes for a particular RNA or protein in the cell - correct
answer ✔Gene
Consists of G1 phase, S phase & G2 phase - correct answer ✔Interphase
1st gap phase - correct answer ✔G1
DNA replication takes place & each chromosome is replicated to form sister
chromatids - correct answer ✔S phase
2nd gap phase - correct answer ✔G2
4 unreplicated chromosomes are present - correct answer ✔G1 phase
4 replicated chromosomes, each consisting of 2 sister chromatids are present
- correct answer ✔G2 phase
Chromosomes condense and spindle apparatuses begin to form - correct
answer ✔Prophase
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 LEWISSHAWN55. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
67163 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now