What is a gene?
A gene is a specific section of a chromosome that codes for a particular sequence of amino acids to make a protein.
Related Biology A Level answers
All answers ▸Explain the reflex arc using an example in humans
How does DNA lead to the production of proteins?
Over-watering a plant can result in the soil around a plant's roots becoming saturated with water, reducing the amount of oxygen available to the roots. Using your knowledge of aerobic and anaerobic respiration, explain how over-watering can kill a plant.
What are the electrical changes in an axon that occur during an Action Potential?