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Worksheetsamino acids, peptide & protein (Part 1)
Total questions: 10
Worksheet time: 4mins
Which biomolecule have you learned with Dr. Hadi for the pass few weeks?
Carbohydrate
Amino acid
Lipid
Nucleic acid
In the normal chemistry scenario, an amine functional group, can deprotonate to form..
R-NH3⁺
R-NH⁻
R-NH2
R-NH
Combining PG-NH-R-COOH & H2N-R-COO-PG forms…
PG-NH-R-CONH-R-COO-PG
PG-NH-R-COO⁻ & H3N⁺-R-COO-PG
H2N-R-COOH & H2N-R-COOH
H2N-R-CONH-R-COOH
The sequence of linked amino acids can spontaneously form a protein.
True
False
Maybe
In the cell, the process of producing a protein is called…
Replication
Translation
Transcription
Polymerization
Amide bond forms from the reaction of…
Esters and ammonia
Carboxylic acid and excess ammonia
Esters and excess ammonia
Carboxylic acid and ammonia
None of these
A protein can be defined by the number of its amino acids…
True
False
This is the structure of GABA.
Is GABA an amino acid?
Yes
No
Maybe
I’m not sure
What is the property of the species labeled B?
Nucleophile
Electrophile
Zwitterionic
Leaving group
Protecting group
What are ‘non-essential’ amino acids?
not important for growth
body is able to synthesize them
can only be obtained from foods
important, but our body can live without it, for growth
