The earlier a cancer is diagnosed, the better the chances are for a cure.

At 75 C at sea level, H2S is a denser liquid than H20.

The best way to learn is by reading your notes multiple times right before the exam.

Are mediated by one or two covalent interactions.

Involve as many as 15 to 20 hydrogen bonds.

Start studying for exams one or two days before the exam.

Both have 6 electrons and 2 unpaired electrons in their outer shell.

Include polysaccharides.

You should focus exclusively on one subject at a time over a period of days for long term retention of information.

Due to the insolubility of hydrophobic amino acids in water.