Over a million students use our free study notes to help them with their homework
Ectotherms, including reptiles and amphibians, are organisms that don't possess the ability to generate sufficient heat to keep themselves warm. As such, they are dependent on environmental sources of ...
Anaerobic respiration is the release of small amounts of energy in the cells by breaking down food substances in the absence of oxygen.
First, DNA-helicase (an enzyme) separates the two strands of DNA to allow RNA polymerase (another enzyme) to produce messenger RNA (mRNA) from free nucleotides, coded for by a gene in the DNA. The mRNA...
A gene is a section of DNA that codes for a specific protein.
Aerobic respiration takes place when oxygen is present, whereas anaerobic respiration takes place when oxygen is absent. Both processes take place in the mitochondria within the cells and releases energy....
←
826
827
828
829
830
→
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