Over a million students use our free study notes to help them with their homework
Firstly, the enzyme DNA helicase separates the two strands in DNA by breaking the hydrogen bonds between them. Both of the two strands then act as templates to which free nucleotides attach to. This attac...
Cohesion is the attraction of molecules of the same type.Water is cohesive because it is dipolar therefore the positive electrons from the 2 hydrogens are pulled towards the oxygen end making the oxygen e...
Solvents are substances that can dissolve other substances.Water can act as a solvent for ions (charged particles/molecules) because it is dipolar (the positive electrons from the 2x hydrogen are pulled t...
Fish gills are made up of thin plates called gill filaments, which are covered in structures called lamallae. Both the gill filaments and lamellae provide a...
Water has many properties that make it an essential molecule within living things. One main property that water molecules have are hydrogen bonds. These are intermolecular forces that essentially allow wa...
←
36
37
38
39
40
→
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
