1. In humans, sickle-cell anemia is an example of co-dominance, when considered at the molecular level. People who are homozygous dominant produce all normal-shaped hemoglobin molecules. Hemoglobin is a protein found in red blood cells that carries oxygen. People who are homozygous recessive produce all abnormally-shaped hemoglobin, which cannot carry oxygen very well. […]

1. Focusing on how lifestyle choices affect the cardiovascular system, identify a lifestyle choice (specific foods in diet, exercise, smoking, etc…) and briefly explain the structural &/or functional influences of this lifestyle choice in the development of cardiovascular disease. 2. Though some people clearly benefit from lifestyle choices promoting cardiovascular […]

8. (TCO 3) Which happens to the substance that is oxidized during an oxidation-reduction reaction? (Points : 4)        It gives up hydrogen atoms.       It takes on oxygen atoms.       It becomes a charged species.       It shows a gain of electrons.       It shows a loss of electrons.  Question 9.9. (TCO 4) Ammonia (NH3) accepts a proton from water. Which […]

“Seek the fashion which truly fits and befits you. You will always be in fashion if you are true to yourself, and only if you are true to yourself. You might, of course, rightly wear that style which is emblazoned on the fashion magazines of the day, or you might […]