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Resting membrane potential of a neuron is maintained by active transport of sodium (Na+) out of the cell and potassium (K+) into the cell through the Na+/K+ pump. Due to the negative charge of Cl- and som...
The fluidity of membranes allows it to invaginate and form vesicles. This is important for the process of endocytosis by which the cell is able to uptake materials from the extracellular environment. Vesi...
The first stage of meiosis is Prophase 1, where the homologous chromosomes pair up and spindle microtubules grow from each pole to the equator around the nucleus. The next stage is Metaphase 1, the nucleu...
Mitosis is the process by which a cell divides to give rise to two identical diploid daughter cells and is how all somatic cells are produced. Meiosis is the process by which a cell gives rise to four gen...
If two sequences of DNA from the same position along a DNA strand (locus) have a single change between them we call them single nucleotide (one base unit of DNA, A/T/C/G) polymorphism (poly- "many-&q...
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