Lymphatic tissue closely associated with the bloodstream as well as lymphatic circulation is found in the:
A) spleen.
B) bone marrow.
C) intestine.
D) tonsils.
E) thymus.
Answer: A
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After you eat lunch, the nutrients in your food are released in the digestive process and eventually make their way into the blood. The rising nutrient levels quickly move beyond the standard homeostatic range. Normally, a hormone would be released at this time to regulate these nutrients. Imagine that in your case, that return to homeostatic levels does not occur. What hormone would you need to receive to return blood levels to normal?
A. glucagon B. insulin C. cortisol D. epinephrine E. growth hormone
Microorganisms show differential sensitivity to antimicrobial agents.
Answer the following statement true (T) or false (F)
What is the first step in phage formation inside the bacterial cell?
A) tail fibers are added B) DNA packaging as the viral heads assemble C) adherence to the pilus D) lysis E) tail formation
Both plant and animal cells contain organelles.
a. true b. false