Over a million students use our free study notes to help them with their homework
Stimulus arrives and changes membrane polarity to the threshold to elicit an action potential (all or nothing nature). Depolarisation- sodium ion channels open increasing the membrane polarity Repolarisat...
The sliding filament mechanism allows for muscle contraction. When an action potential arrives it travels through the sarcoplasmic reticulum and spreads down the transverse tubules into the muscle belly c...
Cellulose is a linear polysaccharide polymer with many glucose monosaccharide units. The linkage is beta, which makes it different from starch. This difference results in a major different in digestibilit...
In these three texts love is shown to be the most unruly of emotions; a passionate, intense affliction of desire; it is misunderstood, abused and turbulent. Yet it can be genuine and lasting. Novel, play ...
←
832
833
834
835
836
→
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
