1) Some substances not usually found in large quantities in urine would be ______, ______, ______, and ______. 2) When the sperm cell unites with egg cell this is known as ______.   Usually, this happens in the ______.   After four or five days, the developing zygote arrives the uterus, where […]

Mobile pieces of DNA – transposable elements – that insert themselves into chromosomes and accumulate during evolution make up more than 40% of the human genome. Element of four types – long interspersed elements (LINEs), short interspersed elements (SINEs), LTR transposons and DNA transposons – are inserted more or less […]

Q1. Acholeplasma laidlawii is a small bacterium that cannot synthesize its own fatty acids and must therefore construct it plasma membrane from whatever fatty acids are acids available at the time. If you give Acholesplasma cells access to a mixture of saturated and unsaturated fatty acids, will they thrive at […]

1. a) How are second messengers generated from phosphatidylinositol (Pl)? b) What are the main function(s) of the second messengers derived from Pl? 9. a) In the context of tumourigenesis, what is a gain-of-funtion mutation? b) List two effects that gain-of-function mutations may have on encoded protein. c) Briefly explain […]