Why does the mother have freckles, even though she has a gene for no freckles?

Breah is a 24-year-old who wants to follow the recommendations of dietary guidelines for americans, 2010. she consumes no more than 1500 mg sodium/day; her cholesterol intake is about 400 mg/day; and her intake of folic acid is 400 mcg/day.

Uranium - 235 has a half-life of 700 million years. How much of the 12g sample of uranium would be left after 2100 million years? A. 1.5 g B. 6g C. 3 g D. 75 g

Which of the following is true about protein molecules? A. The sequence of amino acids that make up a protein molecule do not affect its function. B. Protein molecules have many functions in the body, including the storage of genetic information. C.

The cells in an organism's body begin breaking down more glucose molecules because the organism is not getting enough to eat. This is an example of: Voluntary Response Involuntary Response External Stimulus Internal Stimulus

How did organic compound get there name?

Base excision repair corrects DNA by A. removing a double-stranded fragment of damaged DNA. B. detecting, removing, and replacing damaged or incorrect nucleotides in a single strand of DNA. C. excising the incorrect base from a nucleotide D.

Which is an effective way to manage stress

What are two ways that scientists can study Earth's Climate history

How many photosystems can be found in a prokaryotic cell

How can scientists study ecology?