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WorksheetsBiochemistry Final Exam
Total questions: 30
Worksheet time: 30mins
Mention the universal features of living cells
Cytoplasm
Mitochondria
Nucleus/nucleoid
Plasma membrane
Mention the domains of life
Archaea
Bacteria
Eukarya
Fungi
Proteins are polymers of (a)
(a) different amino acids are commonly found in proteins.
This picture is general structure of an amino acid. They have ....
Amino group
Carboxyl group
Hydroxyl group
R groups
Amino acids can be classified by R groups, except ....
Non polar aliphatic
Polar aliphatic
Polar uncharged
Aromatic
Positively and negatively charged
Each amino acid residue joined to its neighbor by a specific type of (a)
Polymers of amino acids are called the .....
Amino acids
Peptides
Proteins
Two amino acid molecules can be covalently joined through a substituted amide linkage, termed a peptide bond, to yield a dipeptide. Such a linkage is formed by (a) from the α-carboxyl group of one amino acid and the α-amino group of another
There are four levels of protein structure
Primary
Secondary
Tertiary
Quartenary
The most prominent protein secondary structure are .....
α helix
β conformations
Fibrous protein
Globular protein
These are the four models of (a)
This picture is depicted (a)
This picture is depicted (a)
These pictures are depicted ...
(a)
Denaturation is .....
A loss of primary structure sufficient to cause loss of function
A loss of secondary structure sufficient to cause loss of function
A loss of tertiary structure sufficient to cause loss of function
A loss of three-dimensional structure sufficient to cause loss of function
A loss of quartenary structure sufficient to cause loss of function
Proteins can be denatured by
Extreme heat
Nonorganic solvents
Organic solvents
Extreme pH
Certain globular proteins denatured by heat, extremes of pH, or denaturing reagents will regain their native structure and their biological activity if returned to conditions in which the native conformation is stable. This process is called ....
Catalytic activity
Denaturation
Renaturation
Restoration
Additional chemical component either one or more inorganic ions, such as Fe2+, Mg2+, Mn2+, or Zn2+ is called
(a)
Additional chemical component as a complex organic or metalloorganic molecule called
(a)
A coenzyme or metal ion that is very tightly or even covalently bound to the enzyme protein is called
(a)
A complete, catalytically active enzyme together with its bound coenzyme and/or metal ions is called
(a)
The protein part of such an enzyme is called
(a)
Enzymes are classified by the reaction they catalyze. These are the international classification of enzyme, except ...
Oxidoreductases
Transferases
Hydrolases
Lyases
Condensases
Addition of group to double bonds or formation of double bonds by removal of groups is the type of reaction catalyzed by
Oxidoreductases
Transferases
Hydrolases
Lyases
Isomerases
Catalysts enhance reaction rates by
(a)
