A patient arrives at a hospital. Doctors take samples and send them to the lab. The lab does 2 test on the samples. I. after gram stain, they found purple bacteria and II. microscopic examination found rod morphology the infecting organism in the patient has
a. mycelia acid
b. peptidoglycan
c. teichoic acids
d. B and C
e. A and C
Ans: d. B and C
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Severe pain in the lower right abdomen along with fever and nausea is often a sign of an infection in this structure.
A) Large intestine B) Stomach C) Esophageal cancer D) Appendix E) Mouth F) Salivary glands G) Rectum H) Cirrhosis I) Gallbladder J) Small intestine
The first known fossils of living cells were preserved in rocks that are 3.5 billion years old, but scientists postulated that the first cells arose many millions of years prior to this time. These first cells were most likely ...
A. aerobic, photosynthetic, eukaryotic. B. aerobic, photosynthetic, prokaryotic. C. anaerobic, heterotrophic, prokaryotic. D. anaerobic, heterotrophic, eukaryotic. E. anaerobic, chemotrophic, eukaryotic.
Thermoreceptors detect
a. chemical substances. b. pressure changes. c. temperature changes. d. light wavelengths. e. changes in solute concentration.
The coelomic cavity is derived from the
A. splitting of the mesoderm. B. space left after organs develop. C. folding of the neural tube. D. blastocoel. E. elimination of the yolk sac nutrients.