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STALIN [3.7K]
3 years ago
7

Which of the following is not one of the reasons to properly warm up before exercising?

Biology
2 answers:
Finger [1]3 years ago
5 0
C) Return heart rate to resting levels
Brut [27]3 years ago
4 0

Answer:

c) return heart rate to resting levels

Explanation:

Warm-up before exercises is done so that the heart rate is increased gradually. The warm-up before exercising prevent any abrupt load on the heart as it might occur due to a sudden increase in demand for oxygen.  

Hence, warm-ups do not return the heart to the resting stage, rather increases its pumping action gradually.  

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why are the polio virus unable to reproduce if their DNA base sequence is different from the normal virus?
maks197457 [2]

Answer:

When the virus infects a cell, the RNA genome enters the cell and programs it to make new virus particles. These virus particles are released from the cell and go on to infect new cells. In humans, poliovirus is ingested, and replicates in cells of the gastrointestinal tract.Poliovirus, the prototypical picornavirus and causative agent of poliomyelitis, is a nonenveloped virus with a single-stranded RNA genome of positive polarity. The virion consists of an icosahedral protein shell, composed of four capsid proteins (VP1, VP2, VP3, and VP4), which encapsidates the RNA genome (1).RNA viruses generally have very high mutation rates compared to DNA viruses, because viral RNA polymerases lack the proofreading ability of DNA polymerases. The genetic diversity of RNA viruses is one reason why it is difficult to make effective vaccines against them.

5 0
2 years ago
Explain what a mosaic is and then explain why the term fluid mosaic model is used to describe the plasma membrane
zalisa [80]
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7 0
3 years ago
In ____________ , signals pass through a cell junction from one cell to adjacent cells.
erastovalidia [21]
The answer should be NEURONES (nerve cells).
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4 0
3 years ago
Describe how energy flows in the ecosystem represented by this food pyramid how would you translate the pyramid into words?
Ilia_Sergeevich [38]
Energy flows from one animal or plant eating or getting eaten to the next anima above it. As for your translation, the crickets are eating the grass then are getting eaten by the secondary consumers and finally getting fed to the largest consumer and every time you go up in the food chain more and more energy is being passed on.
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3 years ago
Which term is correct for one female arctic fox?
Anna11 [10]
Its organism because it is one single thing.  
8 0
3 years ago
Read 2 more answers
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