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Final exam for all Carbohydrate and Nitrogen lectures.
1. Which of the following molecules CANNOT be excreted by the kidneys as glucuronides?
A. Bile (stercobilin)
B. Progesterone
C. Bilirubin diglucuronide
D. Morphine
E. Thyroid hormone
2. Which of the following molecules DOES NOT accumulate in blood as a result of a defect in any of the enzymes of the urea cycle?
A. Any of the intermediates of the urea cycle
B. Ammonia in the form of NH4+
C. Glutamine and alanine
D. All the intermediates of glycolysis
3. Which of the following hormones regulates the excretion of both water and sodium counteracting the effects of other water homeostasis hormones?
A. Aldosterone
B. Antidiuretic hormone
C. Cortisol
D. Estrogen
E. Natriuretic peptides
4. Which of the following digestive enzymes pairs can break peptide bonds at either terminal end of a polypeptide?
A. Trypsin&chymotrypsin
B. Elastase&collagenase
C. Aminopeptidase and carboxypeptidase
D. Dipeptidase&tripeptidase
E. Enterokinase and Phospholipase A
5. Which of the following enzymes pairs can perform autocatalysis once they are activated?
A. Pepsin&trypsin
B. Aminopeptidase&carboxypeptidase
C. Elastase&collagenase
D. Dipeptidase&tripeptidase
E. Chymotrypsin&Phospholipase A
6. Which of the following zymogens can help in the screening of gastric disorders?
A. Trypsinogen
B. Pepsinogen
C. Chymotrypsinogen
D. Procollagenase
E. Procarboxypeptidase
7. Which of the following disorders can affect the release of pancreatic digestive enzymes into the intestinal lumen?
A. Hartnup disease
B. Cystinuria
C. Cystic fibrosis
D. Atrophic gastritis
E. Duodenal ulcer
8. Which of the following mechanisms facilitates the absorption and release of hydrophobic amino acids into the body's cells?
A. Aquaporins
B. Autophagosomes
C. Secondary active transporters
D. Simple diffusion
E. Facilitated diffusion
9. Which of the following statements about the degradation of body's proteins is INCORRECT ?
A. Proteins for degradation are recognized based on the presence of ubiquiting tags, PEST sequences, N-terminal or oxidized residues.
B. A single ubiquitin isopeptide assigns a regulatory function to a protein but multiple ubiquitin isopeptides targets the protein for degradation.
C. E1 binds and transfer an ubiqutin molecule to E2 and E3 joins the ubiquitin from E2 to the end terminal end of a target protein.
D. Lysosomal proteases break down body' proteins into polypeptides; while, proteasome complexes break them into single amino acids.
E. Binding of N-acetylglucosamine to the active sites of the proteasome inhibits protein degradation and the removal of this molecule facilitates protein degradation.
10. Which of the following digestive enzymes pairs can break peptide bonds at either terminal end of a polypeptide?
A. Trypsin&chymotrypsin
B. Elastase&collagenase
C. Aminopeptidase and carboxypeptidase
D. Dipeptidase&tripeptidase
E. Enterokinase and Phospholipase A
11. Which of the following enzymes pairs need to be activated via autocatalysis?
A. Pepsin&lysosomal proteases
B. Aminopeptidase&carboxypeptidase
C. Elastase&collagenase
D. Dipeptidase&tripeptidase
E. Chymotrypsin&Phospholipase A

Questions & Answers

where we get a research paper on Nano chemistry....?
Maira Reply
what are the products of Nano chemistry?
Maira Reply
There are lots of products of nano chemistry... Like nano coatings.....carbon fiber.. And lots of others..
learn
Even nanotechnology is pretty much all about chemistry... Its the chemistry on quantum or atomic level
learn
Google
da
no nanotechnology is also a part of physics and maths it requires angle formulas and some pressure regarding concepts
Bhagvanji
Preparation and Applications of Nanomaterial for Drug Delivery
Hafiz Reply
revolt
da
Application of nanotechnology in medicine
what is variations in raman spectra for nanomaterials
Jyoti Reply
I only see partial conversation and what's the question here!
Crow Reply
what about nanotechnology for water purification
RAW Reply
please someone correct me if I'm wrong but I think one can use nanoparticles, specially silver nanoparticles for water treatment.
Damian
yes that's correct
Professor
I think
Professor
Nasa has use it in the 60's, copper as water purification in the moon travel.
Alexandre
nanocopper obvius
Alexandre
what is the stm
Brian Reply
is there industrial application of fullrenes. What is the method to prepare fullrene on large scale.?
Rafiq
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
Damian
How we are making nano material?
LITNING Reply
what is a peer
LITNING Reply
What is meant by 'nano scale'?
LITNING Reply
What is STMs full form?
LITNING
scanning tunneling microscope
Sahil
how nano science is used for hydrophobicity
Santosh
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
Rafiq
what is differents between GO and RGO?
Mahi
what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
Rafiq
if virus is killing to make ARTIFICIAL DNA OF GRAPHENE FOR KILLED THE VIRUS .THIS IS OUR ASSUMPTION
Anam
analytical skills graphene is prepared to kill any type viruses .
Anam
Any one who tell me about Preparation and application of Nanomaterial for drug Delivery
Hafiz
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
Bob
The nanotechnology is as new science, to scale nanometric
brayan
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Damian
Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
Renato
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
?
Kyle
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
Adin
why?
Adin
what school?
Kyle
biomolecules are e building blocks of every organics and inorganic materials.
Joe
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Source:  OpenStax, Biochemistry exercises. OpenStax CNX. Apr 06, 2016 Download for free at https://legacy.cnx.org/content/col11386/1.4
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