Amino Acids and Proteins

Description

GCSE Science Quiz on Amino Acids and Proteins, created by Imani :D on 29/09/2017.
Imani :D
Quiz by Imani :D, updated more than 1 year ago
Imani :D
Created by Imani :D about 7 years ago
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Resource summary

Question 1

Question
Label the groups on this amino acid. Each colour is a group.
Answer
  • Amino Group
  • Variable Side Group
  • Carboxyl Group

Question 2

Question
There are 22 amino acids but only [blank_start]20[blank_end] amino acids are encoded by the universal genetic code.
Answer
  • 20

Question 3

Question
The peptide bond occurs because a [blank_start]carboxyl[blank_end] and an amino acid group form a [blank_start]strong[blank_end] [blank_start]covalent[blank_end] bond releasing water in the process.
Answer
  • carboxyl group
  • variable side group
  • strong
  • weak
  • covalent
  • ionic

Question 4

Question
Complete this condensation reaction between two amino acids.
Answer
  • C
  • O
  • N
  • H

Question 5

Question
Which of these are functions of amino acids?
Answer
  • Protein synthesis
  • Energy reserves
  • Insulation
  • Protection against physical injury

Question 6

Question
An enzyme is a globular protein that increases the rate of a biochemical reaction by lowering the [blank_start]activation[blank_end] [blank_start]energy[blank_end] threshold.
Answer
  • activation
  • energy

Question 7

Question
The coming together of a substrate molecule and an active site is known as a [blank_start]collision[blank_end].
Answer
  • collision

Question 8

Question
Drag and drop the labels onto the correct areas of this diagram of how an enzyme works.
Answer
  • substrate
  • active site
  • enzyme
  • polar regions
  • enzyme-substrate complex
  • products

Question 9

Question
The [blank_start]induced[blank_end]-fit model explains how a substrate can induce a conformational change in the active site. Thus allowing the enzyme to [blank_start]catalyse[blank_end] more than one reaction.
Answer
  • induced
  • catalyze
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