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choli [55]
3 years ago
13

People take in and release gases from the air when they breathe. Which gas is removed from the body as waste when a person exhal

es
A. Carbon Dioxide

B. Oxygen

C. Helium

D. Hydrogen
Biology
2 answers:
denis23 [38]3 years ago
7 0
A carbon dioxide is what is released
Furkat [3]3 years ago
4 0

Answer:

A (:

Explanation:

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Hershey and Chase used a DNA-based virus for their work. How might the results have been different if they had used an RNA virus
4vir4ik [10]

Answer:

The correct answer is c.With an RNA virus, radioactive RNA would have been in the final pellet.

Explanation:

Hershey and Chase infected<em> E.coil</em> with bacteriophage which was having DNA as its genetic material. The bacteriophage was labeled with radioactive sulfur and radioactive phosphorus and it was radioactive phosphorus that was found in the bacterial cells or pellet.  

As because DNA contains phosphorus, not protein therefore they it was proved that DNA is the genetic material. Similarly, RNA is also a nucleic acid which is genetic material for many viruses and contains phosphorus.

So if Hershey and chase might have chosen an RNA virus then radioactive RNA would have been present in the pellet. So the correct answer is c.

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True - 
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Kinetic energy is the energy that an object has because of its motion.
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Each vaccinated child stops transmission of the disease. therefore, as long as _____ percent of the people in a community are im
kogti [31]

Each vaccinated child stops the transmission of the disease. therefore, as long as 90 percent of the people in a community are immunized, no one dies of the disease.

<h3>What is herd immunity?</h3>

The expression herd immunity makes reference to a level of immunization in the population in which people become resistant to the pathogen.

In conclusion, each vaccinated child stops the transmission of the disease. therefore, as long as 90 percent of the people in a community are immunized, no one dies of the disease.

Learn more about herd immunity here:

brainly.com/question/18358089

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