An enlarged thyroid can result from a lack of

a

iodine.

b

insulin.

c

vasopressin.

d

sodium ions.

According to the tree, which primates share the most recent common ancestor with humans? gorillas chimpanzees bonobos and chimpanzees bonobos and gorillas

One similarity between DNA and messenger RNA molecules is that they both contain?

One of the grand challenges in biology is understanding how the first cells formed on Earth. Since all cells are bound by a cell membrane, origin of life researchers are interested in modeling what the first membranes may have been like.

Cheetahs are one example of a population that has very limited genetic variation. Which of the following groups of animals are most likely to have a limited variety in the genetics of their population?

Two gene loci, A and B, are unlinked (and thus assort independently), and allelesA and B are dominant over alleles a and b. Indicate the probabilities of producing the following:a. An AB gamete from an AABb individual? b.

How do energy conversions make a car go down the street? A. The stored energy of the gasoline is converted to heat, and then to the stored energy of the car. B.

Describe how a flu vaccine the human body?

Adults do not need foods from the dairy group, only growing children and athletes do.

The principle role for sugars in living things is to

Under which condition is competition among fish most likely