What happens to E. coli when lactose is not present?

4. In humans and all creatures constructed of eukaryotic cells, the DNA always resides in the.

List three diseases caused by viruses

What is the structure of amino acids?

The gums are the fleshy tissue surrounding the sockets of the

Dendrites: a. conduct action potentials away from the cell body. b. are present in mammalian nervous systems but not in the nervous systems of other vertebrates. c. receive information from other neurons or from the external environment. d.

How are diffusion and osmosis different? A. Osmosis is the movement of proteins. Diffusion is the movement of water. B. Osmosis is the movement of water. Diffusion is the movement of chemicals and molecules. C.

Water molecules exhibit a property which enables them to stick to each other. What is this property referred to as? Polarity Cohesion Adhesion

Using hooke's, F spring = K*E, law find the distance a spring with an elastic constant of 4 n/cm will stretch if a 2 newton force is appied to it. A. 4 cm B. 2 cm C. 1/2 cm D. 8 cm

Mendel discovered that yellow seed color in pea plants is dominant to green. what offspring genotype probabilities are expected for a cross between a plant that produces yellow seeds (heterozygous genotype) and one that produces green seeds

An organism has three different versions of Gene Tyx - version a, b and c. Determine the inheritance pattern of this trait. Then list below all of the different genotypes that an organism with this gene could have.