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IB SL Biology - Proteins and Enzymes Exam Questions and Answers
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IB SL Biology - Proteins and Enzymes Exam Questions and Answers
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IB SL Biology - Proteins and EnzymesExam Questions and Answers
Proteins - Answer-Help send signals between cells which may control processes in the
body
LTBP3 - Answer-Found in the space between cells, including cancer cells
Proteins are large complex molecules made up of what? - Answer-Amino acids
How many different amino acids are there? - Answer-20 different amino acids
Each amino acids has a ______ carbon connected to four different groups - Answer-
Central
What are the four different groups in the general amino structure? - Answer-A carboxyl
group (-COOH), an amino group (-NH2), a hydrogen group (-H) and a unique R-group
(side chain)
What reaction allows amino acids to join together? - Answer-Condensation reaction
In a condensation reaction, a _____ bond forms between the ______ group of one
amino acid and the ____ group of another creating a _______ - Answer-Peptide,
Carboxyl, Amino, Dipeptide
The peptide bond is a strong ____ bond, making it very stable - Answer-Covalent
The two ends of the dipeptide are called what? - Answer-N-terminal, C-terminal
What is the key formula for a condensation reaction - Answer-Amino acid + Amino Acid
= Dipeptide + 1 water molecule
What are the two types of classified amino acids? - Answer-Essential and non-essential
What is anabolism? and what does it require? - Answer-It is the building of complex
molecules from simpler ones and it requires energy.
What is catabolism? and what does it release? - Answer-It is the breakdown of complex
molecules into simpler ones, it releases energy
_____ are substances that speed up chemical reactions without being consumed -
Answer-Catalysts
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