Answer:
The doldrums are commonly found around the equator. The doldrums are an area characterized by calm monotonous weather.
Both internal and external factors are capable of regulating the cell cycle of a specific type of cell (Option a).
<h3>What is the cell cycle?</h3>
The cell cycle refers to the period of life of a cell from which it is generated until its division (cytokinesis).
The cell cycle of a cell is regulated by internal factors such as cyclins and kinases that phosphorylate specific proteins as well as external factors that trigger the cell division (e.g. temperature conditions).
In conclusion, both internal and external factors are capable of regulating the cell cycle of a specific type of cell (Option a).
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This means that the tissues are most likely from the bone marrow or the epithelium in animals or meristem tissue in plants. These tissues are constantly renewing themselves hence most cells are in mitosis stage. Tissues that are less likely to have such a high number of cells in the mitotic state are bone, connective, and nerve tissues.
Trigone of the urinary bladder is made from three orifices, two <span>ureteric orifice and one urethra orifice.
Ureteric orifice is made by ureter from the left and right kidney. It's the place where urine enters the bladder.
Urethra orifice is connected to urethra and it's where the urine comes out of the bladder.</span>
