Search over 10,000 free study notes

RNA is single-stranded, DNA is double-stranded.

RNA contains the base Uracil, DNA contains thymine instead.

RNA contains the sugar Ribose, DNA has Deoxyribose instead.

1. The presynaptic action potential reaches the synaptic knob. 2) The terminal is depolarised. 3) Voltage gated calcium channels in the presynaptic knob open. 4) Calcium enters through the calcium chan...

Before we start on the specifics of the experiment itself we need to understand how DNA replication occurs on a molecular level. DNA is made up of four different bases; A, C, G and T....

Genes in DNA encode protein molecules. The first step of expressing a gene is transferring the information in DNA to a messenger RNA (mRNA) molecule, by a process called transcription. DNA Helicase unwind...

Heart rate is controlled by the AUTONOMIC nervous system. This is the branch of the nervous system which does NOT require voluntary thought and action, unlike the SOMATIC branch. This means it relies upon...