Why are prions unique? a. Prions are not associated with any known diseases. c. Prions do not infect humans. b. Prions are plant pathogens. d. Prions are made up only of proteins and lack nucleic acids.

The molecule dna ligase that is used to seal the piece of foreign dna into the vector is

A nurse is explaining the use of acyclovir therapy to a 72-year-old man. nephrotoxicity is discussed as a major adverse effect in older patients. to minimize the risk of the patient developing this adverse effect, the nurse will advise him to

Why is this considered a nonscientific question? "What color is a great horned owl?" The question reflects an opinion. The question addresses a gap in knowledge. The question does not require testing to answer.

What are the stages of intercellular signaling

You have learned that all living things use energy your dog is a living thing she must use energy what process is used in this example

Which plant division has seeds with a 3n endosperm due to double fertilization?

What is a difference between systemic and pulmonary circulation? A. Systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body. B.

Name the cells that are produced by the testes and ovaries

What description best explains why viruses can become more pathogenic to hosts that were not affected by the virus before?

The chief force pushing water and solutes out of the blood across the filtration membrane is A) the ionic electrochemical gradient B) protein-regulated diffusion C) glomerular hydrostatic pressure D) the size of the pores in the basement membrane of