HKDSE (Hong Kong) · Biology
Cells and Molecules of Life
9 practice questions, each with the answer and an explanation.
Practise Cells and Molecules of Life now
Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.
All 9 questions
- Which organelle is the main site of aerobic respiration in a cell?
- Which structure is found in plant cells but not in animal cells?
- What is the monomer of a protein?
- Benedict's solution is heated with a sample and turns brick-red. What does this show?
- How does an enzyme speed up a reaction?
- What happens to most enzymes at a temperature well above their optimum?
- Red blood cells placed in distilled water swell and burst. This is because water enters them by
- Which process moves substances from low to high concentration using energy?
- A cell has a total of 80 chromosomes in body cells. How many chromosomes would each gamete have?