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kompoz [17]
3 years ago
11

Unlike humans, animals use commincation systems that are

Biology
1 answer:
Naddik [55]3 years ago
3 0
Answer:  "closed" .
______________________________________
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a_sh-v [17]

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2 cells, 8 chromosomes

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I need help with the question 3
LenaWriter [7]

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The correct answer is C in presence of oxygen production of acetyl CoA,TCA cycle and electron transport chain occur in a proper order.Whether in absence of oxygen lactic acid fermentation or alcoholic fermentation occurs.

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     But in absence of oxygen or during anaerobic condition pyruvic acid is converted to either lactic acid by pyruvate dehydrogenase or to ethanol through alcoholic fermentation.

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3 years ago
What is the role of RNA polymerase?
oksano4ka [1.4K]
-binds to DNA during transcription and separates the DNA strands
-then uses one strand of DNA as a template from which to assemble nucleotides into a complementary strand of RNA. Hope this helped. ;)
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3 years ago
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larisa [96]

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4 0
3 years ago
As mean arterial pressure increases, the ________, informing the medulla oblongata that blood pressure has indeed increased.
finlep [7]

As mean arterial pressure increases, <u>the frequency of action potentials from the </u><u>baroreceptors</u><u> increases,</u> informing the medulla oblongata that blood pressure has indeed increased.

  • Special receptors called baroreceptors monitor variations in your blood pressure.
  • The aorta and carotid sinus both contain significant baroreceptors. The walls of the arteries stretch when the blood pressure in the aorta or carotid sinus rises, stimulating an increase in baroreceptor activity.
  • Action potentials are more quickly fired when baroreceptors are activated, with the speed being inversely correlated with the mechanical stretch.
  • The brain interprets the information that the baroreceptors send as a rise in blood pressure.
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learn more about baroreceptors here: brainly.com/question/8963123

#SPJ4

7 0
2 years ago
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