Exam (elaborations)
Solutions manual and Test Bank for Biochemistry 9th Edition Berg.
Solutions manual and Test Bank for Biochemistry 9th Edition Berg.
[Show more]
Connected book
Book Title:
Author(s):
- Edition:
- ISBN:
- Edition:
Content preview
Solutions manual and Test Bank for Biochemistry9th Edition Berg
Name: Class: Date:
Chapter 2
1. What is NOT a key property that enable proteins to participate in a wide range of functions?
a. Proteins have a high molecular weight.
b. Proteins contain different functional groups.
c. Some proteins are quite rigid, whereas others display considerable flexibility.
d. Proteins are linear polymers built of different amino acids.
e. Proteins can interact with one another and with other biological macromolecules to form complex
assemblies. ANSWER: a
2. What does an α-amino acid consist of?
a. carbonyl group, α carbon, amino group, oxygen atom, distinctive R group
b. carboxylic acid group, α carbon, amino group, hydrogen atom, distinctive R group
c. carboxylic acid group, ε carbon, nitro group, hydrogen atom
d. alcohol group, α carbon, amino group, nitrogen atom, distinctive R group, hydrogen atom
e. carboxylic acid group, δ carbon, imine radical, hydrogen atom, distinctive R group ANSWER: b
3. What isomers of amino acids are found in proteins and what absolute configuration do they have? a.
L isomer; R absolute configuration
b. D and L isomers; R absolute configuration
c. L isomer; S absolute configuration
d. D isomer; S absolute configuration
e. L and D isomers; S absolute configuration ANSWER: c
4. In an acidic solution (pH = 1), what is the ionization state of an amino acid?
a. The amino group is deprotonated; the carboxyl group is protonated.
b. The amino group is not dissociated; the carboxyl group is not dissociated.
c. The amino group is protonated; the carboxyl group is deprotonated.
d. The amino group is protonated; the carboxyl group is not dissociated.
e. The amino group is deprotonated; the carboxyl group is not dissociated. ANSWER: d
Copyright Macmillan Learning. Powered by Cognero. Page 1
mynursytest.store
, DOWNLOAD THE Test Bank for Biochemistry 9th Edition Berg
Name: Class: Date:
Chapter 2
5. Choose the correct groups for Thr, Lys, His, Met, respectively, on the basis of general chemical
characteristics.
a. polar but uncharged; negatively charged; positively charged; hydrophobic
b. polar but uncharged; positively charged; positively charged; hydrophobic
c. positively charged; hydrophobic; polar but not charged; positively charged
d. negatively charged; hydrophobic; positively charged; polar but not charged
e. positively charged; positively charged; polar but not charged; negatively charged ANSWER: b
6. Which amino acid has the one-letter abbreviation K?
a. histidine
b. asparagine
c. alanine
d. valine
e. lysine
ANSWER: e
7. Choose the statement that does NOT reflect why a particular set of 20 amino acids becomes the building
block of proteins.
a. Other possible amino acids may have simply been too reactive.
b. The rings in their cyclic forms are too big.
c. They provide proteins with the versatility to assume many functional roles.
d. Many of these amino acids were probably available from prebiotic reactions. e. As a set, they
are diverse. ANSWER: b
8. The amide bond is a linkage between the:
a. β-amino group of one amino acid and the α-amino group of another amino acid.
b. β -carboxyl group of one amino acid and the β-amino group of another amino acid.
c. δ-carboxyl group of one amino acid and the α-carboxyl group of another amino acid.
d. α -amino group of one amino acid and the ε-amino group of another amino acid.
e. α-carboxyl group of one amino acid and the α-amino group of another amino acid. ANSWER: e
Copyright Macmillan Learning. Powered by Cognero. Page 2
mynursytest.store
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 TESTBANKSHUB. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $16.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
73314 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now