You perform interrupted-mating experiments on three hfr strains (a, b, and c). genes are transferred (from last to first) in the following order from each strain: strain a, thi-his-gal-lac-pro; strain b, azi-leu-thr-thi-his; strain c, lac-gal-his-thi-thr. how are the f factors in these strains oriented?

Familial hypercholesterolemia, an autosomal dominant disease, is five times more frequent in the afrikaner population of south africa than in the original population of europe from which the ancestors to the afrikaners immigrated. what does this demonstrate?

Which conditions need to be in balance for cells to function? check all that apply. blood sugar food intake body water body temperature body mass

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.