Which region of the circulatory system allows passage of nutrients and other small molecules to service nearby tissues?
A) veins
B) arteries
C) capillaries
D) arterioles
C
You might also like to view...
What would be a set of anticipated results from a "Lederberg" experiment?
A. Total number of colonies on a plate: 1500 Total number of resistant colonies on replica plate with T1: 150 B. Total number of colonies on a plate: 1500 Total number of resistant colonies on replica plate with T1: 1500 C. Total number of colonies on a plate: 500 Total number of resistant colonies on replica plate with T1: 1500 D. Total number of colonies on a plate: 1500 Total number of resistant colonies on replica plate with T1: 0
The bacteria cultured from a soil sample typically represents
A. all the bacteria present in that sample. B. a very small number of bacteria present in that sample. C. all the metabolically active bacteria. D. all the metabolically inactive bacteria.
A treatment for bacterial infections from the early 20th century has made a comeback; the use of bacterial viruses to eliminate bacterial infections. Which explanation most accurately describes the mechanism of action behind this treatment?
A. Viruses can infect bacteria, transferring pathogenic genes. The viral genes can then be suppressed, causing the bacteria to not replicate viruses. B. The attachment structures on the virus and the receptors on the host cells make for exquisite specificity of viruses for particular bacterial species. C. Antibiotic resistance in humans is on the increase, so using a different kind of therapy is more beneficial. D. A wide variety of bacteria cause a large percentage of human infections, producing much sickness and death.
Plants control the diffusion of water vapor and gases across the epidermis by means of ____
a. xylem b. phloem c. periderm d. companion cells e. stomata