🧩 Biology MCQ Blast Recap

Chapter: Biology · Level ★★★ · Time: 25 min

SCORE___ / 20

NameClassDate

After this worksheet you can

Recall biomolecule testsRecall enzyme factsRecall cell biology factsRecall genetics facts

📚 Quick Recap

🎯 What you'll practice: A written recap of the 15-question Biology MCQ Blast — biomolecules, enzymes, cell biology, and genetics.

🧮 Section B · Problem Solving ● INTERMEDIATE 2 + 3×3 = 11

5A positive test indicates the presence of protein.

6Eukaryotic ribosomes are classified as S.

7What bond links amino acids together in a protein?

8What happens to a cell placed in a hypotonic solution, and why?

9What does the codon AUG code for, and what special role does it also play?

🚀 Section C · Challenge ● CHALLENGE 5

10Explain why increasing substrate concentration can overcome competitive enzyme inhibition but has no such effect if the inhibitor were non-competitive.

💭 Reflection — the most useful thing I learned:

A ___/4 B ___/11 C ___/5 Total ___/20 Teacher's Signature Parent's Signature

✂ answer key — fold or cut before handing out

1-B 2-B 3-C 4-C | 5 = Biuret 6 = 80 7 = peptide bond 8 = it swells or bursts (lysis), because water moves into the cell by osmosis from the lower-solute-concentration surroundings 9 = AUG codes for methionine and also serves as the start codon that begins translation | 10 = Competitive inhibitors bind the same active site as the substrate, so flooding the enzyme with substrate statistically outcompetes the inhibitor for that site, restoring Vmax; non-competitive inhibitors bind a separate allosteric site regardless of substrate levels, so no amount of added substrate can dislodge them — Vmax stays permanently reduced.

📄 Need offline practice?Print this worksheet or open the one-page cheat sheet.

🗒 Cheat Sheet

🧠 Section A · Concept Check ● BEGINNER 4 × 1 = 4

🧮 Section B · Problem Solving ● INTERMEDIATE 2 + 3×3 = 11

🚀 Section C · Challenge ● CHALLENGE 5