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TLS Online TPP Program

#Question id: 1040

Why might it be easier to determine the bacterium that caused pneumonia than one that caused a wound infection?

#Unit 4. Cell Communication and Cell Signaling

  1. There are very few microorganisms that can cause pneumonia, while there are many that can cause wound infections.

  2. Bacteria that cause pneumonia can be identified with few tests. Many bacteria are normally found on the skin and may be in the wound complicationg indentification of the pathogen.

  3. We have much better tests for bacteria in the lungs than we do in wounds.

  4. The techniques of 16S rRNA sequencing are easier to perform on a sample taken from the lungs than a sample taken from a wound.

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TLS Online TPP Program

#Question id: 17286

#Unit 13. Methods in Biology

Consider the following grouped frequency distribution :
 
What is the median of the distribution ? 
TLS Online TPP Program

#Question id: 11643

#Unit 7. System Physiology – Animal

Rapid changes to skin color in many vertebrates is under the control of ________.
TLS Online TPP Program

#Question id: 11579

#Unit 7. System Physiology – Animal

In response to stress, the adrenal gland promotes the synthesis of glucose from noncarbohydrate substrates via the action of the steroid hormone ________.
TLS Online TPP Program

#Question id: 3445

#Unit 11. Evolution and Behavior

Which one of these concepts is not associated with sociobiology?
TLS Online TPP Program

#Question id: 11970

#Unit 7. System Physiology – Animal

Why do the cells of the digestive system secrete proteolytic enzymes, such as pepsin, in their inactive forms?