Over a million students use our free study notes to help them with their homework
A change in the DNA base sequence resulting in a different protein structure.
This is because the left ventricle pumps oxygenated blood round the entire body while the right ventricle only pumps blood to the lungs which is a much shorter distance. Because the left ventricle needs t...
Homeostasis at its core simply means the maintenance of balance – the body is said to achieve homeostasis when there is there is a balance between the ever-changing external environment and the relatively...
This joint allows 360 degree movement, as there is cartilage at the ends of the bones. The joint itself is surrounded by synovial fluid which reduces friction in movement.
Transcription is the process which makes mRNA in the nucleus. Firstly, the gene uncoils and hydrogen bonds are broken, causing the two strands to separate. One of these strands is the template. RNA nucleo...
1
2
3
4
5
6
7
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