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Let's say you have a bowl of water and you separate it into two compartments with a partially permeable membrane. This membrane does not allow proteins to pass through but it allows water to diffuse freely. ...

Transcription and translation are both processes that are involved in converting nuclear DNA into proteins in eukaryotes, but they have two diifferent jobs. 1) Transcription The DNA sequence is first convert...

Exam stress happens to everyone. Once you turn the exam paper and see the question, you can't help but panic. Your thoughts begin unfolding rapidly, you make a simple mind map, and in a few minutes time you ...

They squeeze through the walls of blood capillaries, moving through tissues to reach the site of infection. Phagocytes ingest pathogens by endocytosis (phagocytosis), a non-specific immunity, which doesn't d...

Arteries carry bloock away from the heart, towards bodyily tissues. They have thick walls to withstand high pressures, a narrow lumen to maintain high pressures and a thick layer of elastic fibres to maintai...