Over a million students use our free study notes to help them with their homework
An enzyme is a biological catalyst
Perform chemical reactions by lowering the activation energy (could then draw out ener...
Competitive inhibitors, compete for the active site. They have a similar shape to the substrate and so can bind to the active site and prevent the substrate from binding. This means the subtrate cannot bi...
In a food chain, very little energy is passed onto the next trophic level - this is because living creatures create waste. Energy passes out of the food chain in a number of ways, including; - energy use...
Firstly sweat is released from sweat glands onto the surface of our skin. This acts to decrease body temperature by causing thermal engery to be transfered away from the skin as the sweat evaporates.
FSH
it causes an egg to mature in an ovaryit stimulates the ovaries to release the hormone oestrogen.
Oestrogen
it stops FSH being produced - so that only one egg matures in a cycle...
←
710
711
712
713
714
→
Internet Safety
Payment Security
Cyber
Essentials
Comprehensive K-12 personalized learning
Immersive learning for 25 languages
Trusted tutors for 300 subjects
35,000 worksheets, games, and lesson plans
Adaptive learning for English vocabulary
Fast and accurate language certification
Essential reference for synonyms and antonyms
Comprehensive resource for word definitions and usage
Spanish-English dictionary, translator, and learning resources
French-English dictionary, translator, and learning
Diccionario ingles-espanol, traductor y sitio de apremdizaje
Fun educational games for kids
