WebbGCSE Biology required practical activity 2: Microbiology (biology only) Teachers’ notes . Required practical activity Apparatus and techniques Investigate the effect of antiseptics or antibiotics on bacterial growth using agar plates and measuring zones of inhibition. AT 1, AT 3, AT 4, AT 8 WebbYou can calculate the rate of the reaction by calculating. 1 ÷ time and draw a graph of rate of reaction against concentration of trypsin. There may be a maximum rate of reaction in this investigation, but not an optimum – increasing concentration beyond the maximum should not reduce the rate of reaction.
Enzymes - BBC Bitesize
Webb2 apr. 2024 · Biology: Exam-style questions. Prepare for GCSE Biology examinations. Personalise your Bitesize! ... GCSE Subjects GCSE Subjects. Art and Design; Biology (Single Science) Business; Webb13 apr. 2024 · 7. Large Intestine: The large intestine is responsible for absorbing the excess water from the food we eat. 8. Small Intestine: The small intestine plays a vital role in … sierra oak tree texas
The digestive system - AQA Synergy - BBC Bitesize
WebbProtease enzymes break down proteins into amino acids. 2 of 3 Lipids (fats and oils) Lipase enzymes break down fat into fatty acids and glycerol. Digestion of fat in the small … Explore the topic of digestive enzymes and absorption with BBC Bitesize. For … Each part of the digestive system has a function. Find out more with Bitesize. For … Latest weather conditions and forecasts for the UK and the world. Includes up to 14 … The energy we need to live comes from food. Find out about the energy we need … A balanced diet contains the correct amount of all food groups. The food … Biology. Games. Add to My Bitesize Add to My Bitesize. Game - Atomic Labs. Click … Watch live BBC TV channels, enjoy TV programmes you missed and view … WebbRevise the structures of cells and the difference between diffusion, osmosis and active transport. Study the factors that affect enzyme action. Webb21 aug. 2024 · It belongs to a family of enzymes called serine proteases. These proteases are enzymes that break down proteins and contain the amino acid serine at its active site. An active site is the... the power of copywriting