Exam (elaborations)
Lehninger Principles of Biochemistry, 7th Edition (Nelson, 2018) Chapter 1-28
- Course
- Institution
- Book
Lehninger Principles of Biochemistry, 7th Edition (Nelson, 2018) Chapter 1-28
[Show more]
Connected book
Book Title:
Author(s):
- Edition:
- ISBN:
- Edition:
More summaries for
-
Biochemistry-How Do genes Direct the Production of Proteins
-
Lehninger Principles of Biochemistry, 7th Edition (Nelson, 2018) Chapter 1-28
-
TEST BANK FOR LEHNINGER PRINCIPLES OF BIOCHEMISTRY, 7TH EDITION, DAVID L. NELSON, MICHAEL M. COX
Seller
Follow
phinta004
Reviews received
Content preview
Test Bank For Lehninger Principles of Biochemistry, 7th Edition(Nelson, 2018) Chapter 1-28 | 9781464187964 | All Chapters
with Answers and Rationals
Which of these is not a protease that acts in the small intestine?
A) Chymotrypsin
B) Elastase
C) Enteropeptidase
D) Secretin
E) Trypsin - ANSWER: D
In the digestion of protein that occurs in the small intestine, which enzyme is critical in the activation
of zymogens?
A) Enteropeptidase
B) Hexokinase
C) Papain
D) Pepsin
E) Secretin - ANSWER: A
Which of the following is a zymogen that can be converted to an endopeptidase that hydrolyzes
peptide bonds adjacent to Lys and Arg residues?
A) Chymotrypsinogen
B) Pepsin
C) Pepsinogen
D) Trypsin
E) Trypsinogen - ANSWER: E
In amino acid catabolism, the first reaction for many amino acids is a(n):
A) decarboxylation requiring thiamine pyrophosphate (TPP).
B) hydroxylation requiring NADPH and O2.
C) oxidative deamination requiring NAD+.
D) reduction requiring pyridoxal phosphate (PLP).
E) transamination requiring pyridoxal phosphate (PLP). - ANSWER: E
The coenzyme required for all transaminations is derived from:
A) niacin.
B) pyridoxine (vitamin B6).
C) riboflavin.
D) thiamin.
E) vitamin B12. - ANSWER: B
The coenzyme involved in a transaminase reaction is:
A) biotin phosphate.
B) lipoic acid.
C) nicotinamide adenine dinucleotide phosphate (NADP+).
D) pyridoxal phosphate (PLP).
E) thiamine pyrophosphate (TPP). - ANSWER: D
Transamination from alanine to -ketoglutarate requires the coenzyme:
, A) biotin.
B) NADH.
C) No coenzyme is involved.
D) pyridoxal phosphate (PLP).
E) thiamine pyrophosphate (TPP). - ANSWER: D
Pyridoxal phosphate is a cofactor in this class of reactions:
A) acetylation.
B) desulfuration.
C) methylation.
D) reduction.
E) transamination. - ANSWER: E
Which of the following is not true of the reaction catalyzed by glutamate dehydrogenase?
A) It is similar to transamination in that it involves the coenzyme pyridoxal phosphate (PLP).
B) NH4+ is produced.
C) The enzyme can use either NAD+ or NADP+ as a cofactor.
D) The enzyme is glutamate-specific, but the reaction is involved in oxidizing other amino acids.
E) -Ketoglutarate is produced from an amino acid. - ANSWER: A
Glutamate is metabolically converted to -ketoglutarate and NH4+ by a process described as:
A) deamination.
B) hydrolysis.
C) oxidative deamination.
D) reductive deamination.
E) transamination. - ANSWER: C
The conversion of glutamate to an -ketoacid and NH4+:
A) does not require any cofactors.
B) is a reductive deamination.
C) is accompanied by ATP hydrolysis catalyzed by the same enzyme.
D) is catalyzed by glutamate dehydrogenase.
E) requires ATP. - ANSWER: D
Which of the following conversions require more than one step?
1. Alanine pyruvate
2. Aspartate oxaloacetate
3. Glutamate ketoglutarate
4. Phenylalanine hydroxyphenylpyruvate
5. Proline glutamate
A) 1 and 4
B) 1, 2, and 4
C) 1, 3, and 5
D) 2, 4, and 5
E) 4 and 5 - ANSWER: E
Urea synthesis in mammals takes place primarily in tissues of the:
A) brain.
B) kidney.
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 phinta004. 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)
57413 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now