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Course: Edexcel A Level Biology A (SNAB) 9BI0
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Edexcel A Level Biology A (SNAB) 9BI0

Topic 1 · Lifestyle, Health and Risk

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Topic 2 · Genes and Health

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Topic 3 · Voice of the Genome

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Topic 4 · Biodiversity and Natural Resources

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Topic 5 · On the Wild Side

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Topic 6 · Immunity, Infection and Forensics

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Topic 7 · Run for your Life

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Topic 8 · Grey Matter

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Quiz

SNAB Proteins – Check yourself

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SNAB Proteins IAL Modular Biology check yourself quiz: free practice for IAL Edexcel Modular. Work through this SNAB Proteins IAL Modular Biology check yourself quiz and get instant feedback on every answer. If you get stuck, review the 1.4 SNAB Proteins — Notes — IAL Biology Notes lesson. More practice: IAL Edexcel Modular — all units. Syllabus: Pearson Edexcel International A Levels.

  • Questions count: 10
  • Passing grade: B+
  • Time limit: 10 minutes
Start Quiz
1.
The genetic code is degenerate means:
Each base is read once
Some amino acids have more than one codon
It is the same in all organisms
It uses three bases
2.
Which bond holds the primary structure?
Hydrogen
Ionic
Peptide
Disulfide
3.
Collagen is best described as:
Fibrous, triple helix
Globular, soluble
An enzyme
A lipid
4.
mRNA codon AUG pairs with the anticodon:
AUG
TAC
UAG
UAC
5.
Enzymes speed up reactions by:
Increasing temperature
Supplying energy
Lowering activation energy
Changing products
6.
Which level of structure involves more than one polypeptide?
Primary
Quaternary
Secondary
Tertiary
7.
Which statement best describes Transcription?
A sequence of three bases on mRNA coding for one amino acid.
A long, insoluble protein with a structural role, e.g. collagen.
Three bases on tRNA complementary to an mRNA codon.
Production of mRNA from a DNA template in the nucleus.
8.
Which statement best describes Degenerate code?
A sequence of three bases on mRNA coding for one amino acid.
A long, insoluble protein with a structural role, e.g. collagen.
Production of mRNA from a DNA template in the nucleus.
More than one codon can code for the same amino acid.
9.
Which statement best describes Activation energy?
Three bases on tRNA complementary to an mRNA codon.
The minimum energy needed for a reaction to occur.
A compact, soluble protein with a metabolic role, e.g. enzymes, haemoglobin.
Production of mRNA from a DNA template in the nucleus.
10.
Which statement best describes Fibrous protein?
A long, insoluble protein with a structural role, e.g. collagen.
A compact, soluble protein with a metabolic role, e.g. enzymes, haemoglobin.
More than one codon can code for the same amino acid.
Production of mRNA from a DNA template in the nucleus.
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Part of Topic 2 · Genes and Health — see every lesson and quiz in this unit.
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