Class 2, or DNA transposons, make up∼ 3% of the human genome, yet the evolutionary
history of these elements has been largely overlooked and remains poorly understood. Here�…

Horizontal transfer (HT) is central to the evolution of prokaryotic species. Selfish and mobile
genetic elements, such as phages, plasmids, and transposons, are the primary vehicles for�…

DNA double-strand breaks (DSBs) are a common form of cellular damage that can lead to
cell death if not repaired promptly. Experimental systems have shown that DSB repair in�…

The Ca balances of 129 college women aged 17 to 27 years, the P balances of 125 and the
Mg balances of 86 were estimated during 5-day periods when they were occupied with�…

Pantothenic acid and folic acid content of food and urine was determined for 35 girls, 7 to 9
years of age, maintained with controlled diets. Three series of metabolic studies were made�…

Procedures were as described by Thomas et. al.(see preceding Abst.). Maizemeal without
germ was enriched with vitamin B1, riboflavin and nico. tinic acid. Retention of the vitamins�…

The amount of fat in the diets and feces was determined for 35 girls, 7 to 9 years of age, as
one segment in a series of metabolic studies. The controlled diets were composed of�…

Studies were made by methods similar to those referred to in the precceding Abst. of 171
young college women aged 17 to 27 years on self-selected diets. The average daily intake�…

Non-enriched degermed corn meal and grits were obtained from Texas mills. Part of each
batch was enriched by adding a commercial mixture of vitamins and minerals such as�…

Maize bread, muffins and sticks made from enriched meal by a standard sour milk recipe
were baked for 30 min. at 215� C. in utensils of tin. aluminium, pyrex or iron. Crust and�…