34 Questions
Which compound naturally occurs in the lung, liver, and arterial walls of mammals?
Hyaluronic Acid
Where are Arabinogalactans found in mammals?
Bone, skin, and cartilage
Which structure is characteristic of globular proteins?
Tertiary Structure
What is the basic unit of proteins composed of amino acids?
Polypeptides
Which compound is used as a food thickening and emulsion stabilizer?
Agar
In proteins, which end has the N-terminus to the left and the C-O terminus to the right?
Right end
Which of the following is a naturally occurring polymer presented in the text?
Dextrans
In polymer engineering, what do we call small molecules that can chemically bond to form long chains?
Monomers
Which of the following is not a naturally occurring polymer discussed in the presentation?
Polycarbonate
What is the primary structure discussed in relation to proteins?
Secondary Structure
Which of the following is an example of a fibrous protein mentioned in the text?
Elastin
What process involves the dissolving and precipitation of cellulose according to the text?
Hydrolysis
Who discovered cellulose?
Anselme Payen
Which industry uses cellulose as a thickener and emulsifier?
Food Industry
What is the building block for many carbohydrate polymers?
Glucose
What is the average degree of polymerization (DP) range of cellulose?
3500-36000
Which representation is used to show the cyclic form of glucose?
Boeseken-Haworth
Which industry was paper invented for?
Paper and Pulp Industry
What is the aim of genetic engineering?
To introduce desirable traits into an organism's genetic material
What is the process of gene splicing?
Inserting genes into the genome of a different organism
What is the main use of Recombinant DNA technology in dairy cows?
Increased milk production
What is the purpose of DNA profiling?
Obtaining a specific DNA pattern for identification purposes
What are RFLP enzymes used for in genetics?
To analyze genetic variation by examining DNA fragments
What is the main use of asphalt as mentioned in the text?
Binder for rock aggregates and roof shingles
What is the primary structure of proteins based on?
Amino acid sequence
In which type of protein structure does hydrogen bonding occur within a single strand?
Alpha keratin
Which type of proteins have a roughly spherical shape with a combination of alpha helices and beta sheets?
Globular proteins
What is the function of fibrous proteins in the body?
Structural support
What is the major function of DNA in a cell?
Stores genetic information
What is the most stable form of Nucleic acids?
DNA
What are Synthetic Elastomers composed of?
"Synthetic Rubber"
'Natural Rubber' is composed of which form of Polyisoprene?
"cis-1,4-Polyisoprene"
'Deoxyribonucleic Acid (DNA)' is more stable than RNA due to its:
"Double-stranded Helix structure"
What is the major function of Fibrous Proteins?
Structural Support
Learn about naturally occurring polymers such as cellulose, glycogen, chitin, and more in the context of polymer engineering. This presentation covers topics like cellulosic materials, polysaccharides, cellulose-regenerating processes, and their applications.
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