Most Important MCAT Topics From Biology Part 1 & Chp. 2 Part 4

Most Important MCAT Topic From Biology Part 1 & Chapter. 2 Part 4:

PROTEIN:
*Most Important Organic Compound Found In Cell.
*50% of Dry Weight Of Cell.

FUNCTIONS:

*Build Structure Of Cell

* Control Metabolism
e.g: ENZYME
*Transport And Carrier Of Substances e.g: Haemoglobin (Hb)


AMINO ACIDS:
*170 types of A.A found in cell and tissues.
*About 25 are constituents of Proteins.
*Mostly are made up of 20 A.A......
*Amino acids have:
    Amino Group ( -NH₂ )
   Carboxylic Group ( -COOH )

MCQS:
Amino group & Carboxylic group are attach to same carbon known as:
ANSWER:
        ALPHA Carbon


MCQS:
if "R" Group Is CH₃,Then The Amino Acid Will Be:
ANSWER:
      AlANINE

MCQS:
if "R" Group Is H,Then The Amino Acid Will Be:
ANSWER:
     Glycine
MCQS:
  C-N Bond Is Known As:
ANSWER:
  Peptide Bond


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