Over a million students use our free study notes to help them with their homework
Photosynthesis uses light energy to produce glucose from carbon dioxide in the air and water in the soil. Glucose is then used in respiration, so if there is a reduced rate of photosynthesis, less glucose...
DNA is made up of sequence of nucleotides ( a phosphate, a pentose sugar and nitrogenous base). It is the sequence of bases on the DNA strand that codes for proteins. A sequence of three bases is called a...
Let's consider a synapse between an axon and a dendrite. To illustrate that an action potential is transmitted from the axon to the dendrite, the last portion of the axon, coming in contact with the dendr...
You might have heard enzymes referred to as 'biological catalysts'. This means, just like a catalyst you might add to a reaction in a chemistry practical, these proteins function to speed up reactions in ...
Plants are able to respond to the environment in multiple ways. Shoots grow upwards, towards light, in a process called phototropism. Roots, on the other hand, grow downwards into the earth towards moistu...
←
753
754
755
756
757
→
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