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VladimirAG [237]
3 years ago
12

State one rease why an individual's pulse rate increased during exercise

Biology
2 answers:
Scilla [17]3 years ago
7 0
The heart must beat faster during exersise because by increasing the heart rate the body is able to increase cardiac output and deliver the necessary blood flow to the mucles





Irina-Kira [14]3 years ago
3 0
The circulatory system allows you to pump more blood and is responding to how much of the energy that you are using to exercise. Oxygen is all around your body in which you blood vessels actually start to pump out more blood having your pulse rate increasing.
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Bacteriophage is used to infect bacterial cells in culture grown under unfavorable conditions. What will most likely occur?
Luda [366]

When bacteriophage is used to infect bacterial cells in culture grown under unfavorable conditions, it will incorporate its genomic DNA into the bacterial genome.

Bacteriophage, also known as a phage, is a virus which infects and replicates within bacteria. Bacteriophages contain DNA or RNA genome which is encapsulated in a protein coat.

Bacteriophages infect the bacterial cultures. When they infect the bacteria, the genomic DNA of the bacteriophage enters into the bacterial genome. It then replicates within the bacteria. It hijacks its cellular machinery so that it can and does not allow it to produce bacterial components anymore and rather produce viral components.

To learn more about bacteriophage here

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1 year ago
What are some shortcomings of using this model as a replica of universe expansion?
VMariaS [17]

Answer: The shortcomings of the experiment design is what the universe has no known limit to which it can grow. As for a balloon when enough air is put in, it will pop.

Explanation:

8 0
3 years ago
Which of these is the shortest geologic time frame A.eon B.period C.epoch D.era
mario62 [17]
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3 0
3 years ago
Read 2 more answers
This diagram is a model of a biological process.
Andrew [12]

Answer:

C. The role of photosynthesis in transferring carbon dioxide from the atmosphere to the biosphere

Explanation:

Photosynthesis is a process in which plants (and some other organisms whose cells possess chlorophyll) transform the energy they receive from sunlight, water, and carbon dioxide into carbohydrates they use as food and oxygen, which they release back into the atmosphere. This is shown in the diagram you were given (pictured below).

Since plants are a part of the biosphere and they take carbon dioxide from the atmosphere, we can conclude that the diagram shows the role of photosynthesis in transferring carbon dioxide from the atmosphere to the biosphere.

8 0
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Why is evolution so important for understanding biology? Explain your answer in 1-2 sentences.
Alla [95]
It allows us to determine not only how and why organisms have become the way they are, but also what processes are currently acting to modify or change them !
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