Stephen is studying the regulation of heart rate during exercise in rats. What portion of the
brain is he studying?
a. brain stem
b. cerebellum
c. cerebrum
d. sensory cortex
A
You might also like to view...
Chemical signals that are released by one cell and act locally on neighboring cells are referred to as:
A. paracrine signals. B. autocrine signals. C. hormones. D. pheromones. E. neurotransmitters.
With regard to their genomes, what is one major difference between viruses and bacteria?
a. Viral genomes are RNA; bacteria genomes are DNA. b. Viral genomes can be replicated faster than bacterial genomes. c. Viruses cannot replicate their own nucleic acids; bacteria can.
Which of the following best explains why bacteria have the greatest biomass of any other plant or animal on earth?
a. Bacteria are able to live essentially anywhere—soil, air, water, ice, etc. b. Some bacteria can make their own food. c. Some bacteria can survive and thrive with or without oxygen. d. There is one dominant species of bacteria that has a greater molecular weight than other bacteria, accounting for the high biomass. e. The first three choices are correct.
The pH indicator in the MR/VP medium is:
A. Phenol red B. Neutral red C. Methyl red D. The correct answer is not listed