Three of the four answers listed below are parts of a common molecule. Select the exception
a. phosphate group
b. adenine
c. deoxyribose
d. ribose
C
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The liquid portion of the blood that consists of about 55% of the total volume of blood is referred to as ________
A) stem cells B) leukocytes C) plasma D) platelets
Gases such as nitrous oxide and carbon dioxide are called greenhouse gases because they
A) block sunlight from reaching Earth. B) block specific wavelengths of sunlight from penetrating. C) permit sunlight to enter but trap the heat energy in the atmosphere. D) block both sunlight and heat energy from penetrating the atmosphere. E) stimulate photosynthesis in most plants.
If it is suspected that a poison was administered orally, the ___ ___ should be analyzed first.
Fill in the blank(s) with the appropriate word(s).
Which is mismatched?
A. secondary infection - infection spreads to several tissue sites B. acute infection - rapid onset of severe, short-lived symptoms C. toxemia - pathogen's toxins carried by the blood to target tissues D. local infection - pathogen remains at or near entry site E. mixed infection - several agents established at infection site