Over a million students use our free study notes to help them with their homework
The lock and key model only allows one type of specific substrate to form a substrate-activesite complex with each specific type of enzyme. This is due to their complementary shapes, as only one shape and...
In this question you must first look at the wording. This is a describe question and therefore a description is required but not an explanation. It is worth 5 marks so aim to describe 5 or more reasons ho...
Meiosis produces four cells through two cell divisions, whereas mitosis produces two cells through one cell division 2. Meiosis produces haploid cells, whereas mitosis produces diploid cells 3. Meiosis ha...
Haemoglobin is an oxygen carrying molecule found in red blood cells. Haemoglobin is made up of four polpeptide chains (2 alpha, 2 beta), and consists of four haem groups (iron associated with heam) contai...
a i) a gene is a section of DNA that codes for a protein and has a specific location on a chromosome while an ellel is just a different form of a gene
ii) a recessive allele is one that is expresse...
←
677
678
679
680
681
→
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
