Over a million students use our free study notes to help them with their homework
An endocrine gland secretes its products, for example hormones, directly into the blood. An example of an endocrine gland is the adrenal gland which secretes adenaline made in the adrenal medulla dire...
Plants have cells within them called photoreceptors. These receptors are light sensitive and the plant can detect the strength and direction of light, which is important for photosynthesis. The mechanism ...
Mitosis can be grouped into four main stages: prophase, metaphase, anaphase and telophase.Prophase: the chromosomes supercondense, the nuclear envelope disintegrates and the centrioles migrate to th...
The light dependent and light independent reactions are two stages of photosynthesis that overall utilise light energy to fix carbon dioxide into sugar molecules. There are however major differences betwe...
The most important difference between these two types of organisms is that Eukaryotes possess a cell nucleus to store DNA, the cells genetic information, whereas Prokaryotic DNA is free flowing in the...
←
456
458
459
460
461
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