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DNA is a double stranded helix. During DNA replication, the strands are separated from each other (using an enzyme called DNA helicase). The unzipped DNA strands then utilize another enzyme, known as DNA ...

Synapse is the gap between two adjacent neurons in which neurotransmitters are released. Arriving action potential depolarises pre-synaptic membrane. This causes voltage gated calcium channels in membrane...

Meiosis. Meiosis produces genetically different haploid daughter cells. Mitosis is the other method of chromosome replication but it produces diploid clone daughter cells. If sperm and eggs were produced...

When T cells bind to viral antigens presented by macrophages they undergo mitosis to form 4 distinct cell variants:
Memory T cells- remain in the blood stream to initiate a faster immune response upo...

FHS is released from the anterior pituitary gland in the brain and causes the follicle to develop in the ovary. the developing follicle produces and secretes oestrogen. This release of oestrogen stimulate...