Did you know?
More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
Did you know?
Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
ATP yield per molecule of glucose at each stage of cellular respiration.
(a) The Dmanisi cranium (right) shows similarities to early African H. erectus including the Narioko
Cutaway view of a typical alternator.
A typical port fuel-injection system squirts fuel into the low pressure (vacuum) of the intake ...
A typical camshaft-driven high-pressure pump used to increase fuel pressure to 2,000 PSI or higher.
Structures of a few typical eukaryotic promoters