A vaccine is made from *

a. proteins produced by the bodys immune system

b. a weakened or dead form of a pathogen

c. body cells that are immune to a disease

d. an antibiotic used to treat an infectious disease

Is iron part of bone and teeth

Giving expert testimony is a fairly easy part of the forensic scientist's job. True False

Insecticides contain organophosphates which inhibit acetylcholinesterase. what is the function of acetylcholinesterase?

How does a solar system differ from a galaxy

Which of the following is NOT a biological advantage of enzyme cascades? A. the ability to respond rapidly to a stimulus B. the ability to amplify a signal greatly C. the ability of a reaction or process to respond to widely different stimuli D.

If a DNA sample contains 25 percent adenine (A), what percent of thymine, cytosine, and guanine must it contain? Use Chargaff's rule to construct your answer

What is a population?

In what way is cytokinesis in plant cells similar to binary fission in a bacterium? All of these choices are correct. A microtubule-like structure constricts the plasma membrane between the two nuclei to separate the daughter cells.

Which statement describes the ability of the cell membrane to allow various substances to move through it? a) The cell membrane is selectively permeable. b) The cell membrane id composed of lipids and phosphates.

What are the potential consequences if a person has their gallbladder removed?