noun. a rounded projection or tooth, as on the margin of a leaf. Anatomy. (in erythrocytes) the state of being or becoming shrunken with a notched or indented edge. a notch between teeth. What is Lyse and crenate? crenate. the contraction of a cell after exposure to a hypertonic solution,Read More →
Solution A is hypertonic because it has an overall higher number of solutes in it even though B has more types of solutes in it. What happens to red blood cells in a hypertonic NaCl solution? When subjected to hypertonic media (e.g. 1.8% NaCl), the cells lose their normal biconcaveRead More →
Most cases of squamous cell carcinoma can be cured when found early and treated properly. Today, many treatment options are available, and most are easily performed at a doctor’s office. Is squamous cell carcinoma a fast growing cancer? SCC is a fairly slow-growing skin cancer. Unlike other types of skinRead More →
As mentioned, sickle-cell anemia is the result of a change in a single nucleotide, and it represents just one class of mutations called point mutations. What is the DNA mutation that causes sickle cell anemia? Sickle cell disease is caused by a mutation in the hemoglobin-Beta gene found on chromosomeRead More →
Totipotency (Lat. totipotentia, “ability for all “) is the ability of a single cell to divide and produce all of the differentiated cells in an organism. Spores and zygotes are examples of totipotent cells. Which cells are totipotent in humans? The only human cells that have so far been shownRead More →
Basal cell and squamous cell survival rates According to the Canadian Cancer Society, the five-year survival rate for basal cell carcinoma is 100 percent. The five-year survival rate for squamous cell carcinoma is 95 percent. Should I worry about basal cell carcinoma? Basal cell carcinoma is a cancer that growsRead More →
A photovoltaic cell (PV cell) is a specialized semiconductor diode that converts visible light into direct current (DC). Some PV cells can also convert infrared (IR) or ultraviolet (UV) radiation into DC electricity. … Large sets of PV cells can be connected together to form solar modules, arrays, or panels.Read More →
Post-translational modifications take place in the ER and include folding, glycosylation, multimeric protein assembly and proteolytic cleavage leading to protein maturation and activation. They take place as soon as the growing peptide emerges in the ER and is exposed to modifying enzymes. What causes protein modification? Abstract. Degenerative protein modificationsRead More →
Cytology is the study of individual cells of the body, as opposed to histology which is the study of whole human tissue itself. What is cell study? Cytology, the study of cells as fundamental units of living things. What careers involve cytology? Cytotechnologist programs at Mayo Clinic Cytogenetic technologist. HistologyRead More →
prison a small room in a prison or police station where prisoners are kept He spent a night in the cells at the local police station. What color is a jail cell? Referred to as the ” Cool Down Pink” project, psychologists are hopeful this traditionally feminine hue will haveRead More →