BIO 353 Exam Study Questions And Answers With Verified Solutions
8 views 0 purchase
Course
BIO 353
Institution
BIO 353
BIO 353 Exam Study Questions And Answers With Verified Solutions
Filopodia contain receptors that sense the environment and...
(a) all filopodia stop moving when the cell is about to extend a lamellipodium
(b) as a first step in walking the lamellipodium forms before the filopodium
(c) a lamell...
BIO 353 Exam Study Questions And Answers With
Verified Solutions
Filopodia contain receptors that sense the environment and...
(a) all filopodia stop moving when the cell is about to extend a lamellipodium
(b) as a first step in walking the lamellipodium forms before the filopodium
(c) a lamellipodium extends only from filopodia that continue to move
(d) two of the above
(e) none of the above ANS (e) none of the above.
(T/F) Single-celled organisms have a limited number of biomolecular machines within them. ANS
true.
(T/F) An evolutionary advancement occurred when organisms became multicellular and acquired a
division of labor. ANS true.
(T/F) When a cell is anchorage-dependent for growth, it can then go through the cell cycle when it is
suspended. ANS false.
Contact inhibition is a subset of ________. ANS anchorage dependence for growth.
What limits the growth of a tumor? ANS invasion by capillaries.
When the 1mm2 tissue fragment is place in the Erlenmeyer flask to loosen the cells in the tissue
(primary explant), what were the components of the medium? ANS PBS made 0.5% with trypsin
and 3mM with MgCl2.
What happens in primary culture? ANS Some cells walk out of chunks and adhere to the plate.
Some cells escape but don't adhere to the plate.
Some cells die.
, (ESSAY) Explain two methods of making a cell line in detail? Assume in this answer you are starting
with the end of secondary culture moving into making up the cell line. ANS (ESSAY)
(ESSAY) What are the limitations of cell culture technology? ANS (ESSAY)
(T/F) Peroxisomes likely originated from endosymbiosis. ANS false.
(T/F) Peroxisomes increase the fitness of the primitive proto-prokaryote by removing toxic oxygen in
the ancient earth. ANS true.
(T/F) The endomembrane system supposedly resulted in the formation of the nuclear envelope,
endoplasmic reticulum, Golgi apparatus and primary lysosomes. ANS true.
Loss of the cell wall:
(a) is unique to plants
(b) occurs only for the endosymbiosis theory
(c) occurs both for the endosymbiosis theory and for the endomembrane system
(d) made the plasma membrane become rigid
(e) occurred due to love levels of oxygen ANS (c) occurs both for the endosymbiosis theory and
for the endomembrane system
(T/F) The primitive protoprokaryote likely acquired motility before it lost the cell wall. ANS
false.
The number of carbons in the esterified fatty acid tail is _____ and ranges between _____ and _____.
ANS even
16
22
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 Nipsey. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
