Question: One way of expressing the rate at which an enzyme can catalyze a reaction is to give its turnover number. The turnover number is the maximum number of substrate molecules that can be acted on by one molecule of enzyme per unit of time. The following table gives the turnover number of some representative enzymes.                                […]

Neurological Case Study Brent is a 9 year old school age child who lives with his parents and two siblings. He attends middle school and achieves average performance. Last year Brent and his family were involved in a motor vehicle accident in which Brent experienced a closed head injury. He […]

True or False? True False1. Proteins rapidly pass artificial membrane (liposome). ————————————————————————————– ( ) ( )2. Amphiphatic detergent such as SDS spontaneously forms bilayer in water. ———————————————————— ( ) ( )3. Cholesterol does have a hydrophilic head and hydrophobic tail. ————————————————————————- ( ) ( )4. Fat molecules are one of […]

Schizophrenia is a very complex mental disease. It is actually quite possible that various mechanisms may end up producing similar symptoms. Several neurotransmitter systems have been implicated: dopamine, glutamate and GABA. Most of the hypotheses focus on synapses and receptors activated by those neurotransmitters. Let us try to think differently […]