Why does the density increase when salt is added to water?

In ligation, the recombinant DNA is inserted into a living cell. True or false

13. Describe the structure of a bone.

Smooth muscle is also called A. connective tissue. B. voluntary muscle. C. involuntary muscle. D. epithelial tissue.

What is an example of a prokaryotic cell?

What kingdom does the snake belong to? A. the plant kingdom. B. the protist kingdom. C. the animal kingdom. D. both the animal kingdom and the protist kingdom.

Which functional group allows the sugar glucose to dissolve in blood? a. Carboxyl b. Hydroxyl c. Phosphate

A protein is in its native conformation when a. it is thermodynamically least stable b. it has the highest gibbs free energy c. it is in any of its functional, folded states d. it is unfolded e. none of the above

If a single female immigrant brings a trait to a small, sparsely populated island and within many generations it is present in 50% of the population, it would be an example of

3. How big is the Clark Refractor in Arizona?

Radioactive uranium-235 has a half-life of 704 million years. If it was incorporated into dinosaur bones, could it be used to date the dinosaur fossils?