Search over 10,000 free study notes

Eutrophication is due to high levels of nutrients (nitrates) in the water. This leads to increased growth of algae and other plants which leads to "algal blooms". This is where the surface of...

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.