Exam (elaborations)
Biological Molecules Exam Questions with Verified Answers
- Course
- Institution
Biological Molecules Exam Questions with Verified Answers
[Show more]
Seller
Follow
lectknancy
Reviews received
Content preview
Biological Molecules Exam Questionswith Verified Answers
What are anabolic reactions? - Answer-Building larger molecules from smaller ones
(e.g. starch from glucose)
What is a condensation reaction? - Answer-When two molecules bond through the loss
of a water molecule.
What is a catabolic reaction? - Answer-Breaks down larger molecules into smaller
molecules eg: digestion
What is a hydrolysis reaction? - Answer-A covalent bond is broken by adding a
molecule of water.
What is a monomer? - Answer-a single, small molecule which can join together to form
a polymer
What are examples of monomers? - Answer-Monosaccharides (simple sugars- glucose)
, amino acids and nucleotides
Why can carbon form so many compounds? - Answer-it has a valency of 4, so can form
4 single covalent bonds with other atoms
How does hydrogen bonding occur? - Answer-Slightly negatively charged oxygen atoms
attract slightly positively charged hydrogen atoms of other water molecules.
This is because oxygen has a greater pull on shared electrons than the hydrogen, so
electrons are not shared evenly
This makes water a polar molecule
What useful properties does hydrogen bonding provide? - Answer-Good Solvent,
Transport Medium, Cohesion, Ice is less dense than water so insulates water below,
Thermal Stability, Metabolite
Describe the Structure of an Amino Acid - Answer--Amino group (NH2) which is a basic
group (LEFT);
-Carboxyl group (COOH) which is an acidic group (RIGHT);
-Hydrogen atom (H) (BOTTOM);
-R group which is a variety of different chemical groups (TOP)
How many different amino acids are there? - Answer-20
What is the primary structure of a protein? - Answer-sequence of amino acids joined by
peptide bonds
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 lectknancy. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for CA$15.07. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
66579 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now