The eukaryotic chromosome is composed of ____
a. DNA only
b. RNA only
c. DNA and carbohydrate
d. DNA and protein
e. RNA and protein
D
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A patient with an indwelling catheter tip began spiking a fever of 39°C. The site of the catheter was inflamed and red. The catheter tip was cultured, and the following organism was isolated: a nonlactose-fermenter on MacConkey agar; a glucose, xylose, and mannitol oxidizer with the ability to hydrolyze esculin. This organism is most likely which one of the following?
a. CDC group EF-4b b. S. putrefaciens c. R. radiobacter d. P. yeei
Which is NOT a stimulus that exteroceptors can sense?
A. gravity B. smell C. light D. muscle tension E. sound
A(n) ________ epithelium allows gas exchange in the lungs
Fill in the blank(s) with correct word
Which of the following types of blood vessels are directly involved in the exchange of materials between blood and tissues?
A) Lymphatics B) Arteries C) Veins D) Arterioles E) Capillaries