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Author Question: The part of the ECG wave that represents ventricular contraction is the P wave QRS complex PR ... (Read 52 times)

APUS57

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on: Jun 25, 2018
The part of the ECG wave that represents ventricular contraction is the
 
 P wave
  QRS complex
  PR interval
  T wave

Question 2

In hostile conditions, some bacteria develop a protective coating called a(n)
 
 capsule
  endospore
  ribosome
  pili


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Kimmy

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Reply #1 on: Jun 25, 2018
Answer to Question 1

QRS complex

Rationale: P wave and PR interval relate to atrial contraction; T wave is ventricular relaxation.

Answer to Question 2

endospore

Rationale: During hostile conditions, some bacteria develops a protective coating called an endospore; a capsule is the outermost layer of a prokaryocyte; pili have hairlike protrusions similar to cilia; ribosomes are similar to eukaryotic cells; and plasmids are extracellular DNA.


APUS57

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Reply 2 on: Jun 25, 2018
Excellent

dreamfighter72

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Reply 3 on: Yesterday
Gracias!

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