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garik1379 [7]
3 years ago
7

You are running in a race.What is one feedback mechanism that happens as you increase exercise and muscle activity?

Biology
1 answer:
SpyIntel [72]3 years ago
8 0

Answer: Heart Rate

Explanation:

When you are running in a race, one feedback mechanism that happens as you increase exercise and muscle activity is that, your heart rate also increases. Your heart rate increases because it needs to sustain the body's need of more energy to be supplied to the different parts of the body during an activity.

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Hypothesis: If i add the egg to vinegar then the shell will dissolve within 24 hours
nadezda [96]

Answer :

Vinegar is a weak acid. This is used to make a naked egg. When an egg is added in the vinegar for one day / 24 hrs, it reacts with the eggshell.  The calcium carbonate shell gets dissolve.

Then an egg without shell is formed and the size of the egg does not change. The calcium carbonate reacts with acetic acid and forms carbon dioxide.

When the shell-less egg is kept in the vinegar for 48 hrs i.e. 2 days again, the water content in it enters into the eggs through the membrane. Then the egg gets somewhat bigger.

Otherwise, for 24 hrs, vinegar is acting like an isotonic solution and only dissolves the shell. This experiment would be done for showing the osmosis process through the cell membrane.

6 0
3 years ago
What causes amino acids to fold in different patterns to form different looking structures?
True [87]

Answer:

Hydrogen bonding

Explanation:

Hydrogen bonding causes folding in different patterns of amino acids. This folding is responsible for the formation of different structures of proteins. This folding also helps in producing the secondary structure of protein. This hydrogen bond is present between amino groups and carboxyl groups which helps them in folding their structure in different patterns.

4 0
3 years ago
Complete the sentence. Water carries minerals called ____ that are critical to many functions in the body.
Zarrin [17]
The best and most correct answer among the choices provided by your question is the third choice or letter C. <span> Water carries minerals called electrolytes that are critical to many functions in the body.

</span>Electrolytes<span> are minerals in your blood and other body fluids that carry an electric charge.
</span><span>
I hope my answer has come to your help. Thank you for posting your question here in Brainly.


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4 0
3 years ago
Read 2 more answers
You are excited because your lab is studying the first microorganisms retrieved from Mars! Interestingly, their genetic material
Oliga [24]

Answer: The maximum number of amino acids that could be coded is 2

Explanation:

  • A codon in this microorganism is 2 bases instead of 3 bases .
  • In order to encode a protein a sequence requires a start and stop codon
  • If you assume no start codon: then only 2 bases would make up the stop codon.
  • This leaves 4 bases which is 2 codons. This would encode 2 amino acids.

  • If you assume a start and stop codon, then each codon would be allocated 2 base pairs each =  4 base pairs
  • This only leaves 2 base pairs, a single codon which would only code for 1 amino acid

6 0
3 years ago
Which of the following coordinate and control immune response?
qwelly [4]
I think it’s T lymphocytes?
It says: T lymphocytes attack antigens directly and help control the immune response. They also release chemicals, which control the entire immune system....
5 0
3 years ago
Read 2 more answers
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