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The parental DNA is unwound from its double helix structure.DNA Helicase enzymes break hydrogen bonds between the bases of the parental DNA.DNA p...
Initially, the bacteria/pathogen will bind to a receptor located on the surface membrane of the macrophage. Pseudopodia will form around the bacteria, resulting in the macrophage surrounding the bacteria/...
Trachea- c shaped cartilage provides structure and support, goblet cells and ciliated epithelium, secrete mucus to trap dust and pathogens and waf...
Reflexes allow you to respond to a stimuli (change in environment). A simple reflex begins with a receptor which are found in sense organs and allow you to detect the stimuli. An example of a sense organ ...
When oxygen is available- aerobic respiration takes place, when oxygen is not available- anaerobic respiration takes place. Pyruvate reacrs differently differently in these two situations.During Aerobic r...
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