the answer is C. 40 because it gains what the first one loses
hope I helped
Answer:
"Viral reverse transcriptase to make a DNA copy that is integrated into the host genome and then host RNA polymerase transcribes it is a true statement.
Explanation:
The virus is an infectious agent which is not considered living either considered non- living. The virus particles contain the genetic material that determines the trait of a virus in the form of either DNA or RNA.
The virus which contains the RNA replicates themselves by fist converting their RNA into DNA by reverse transcriptase enzyme. Once the DNA is made, the DNA is incorporated in the genome of the host and the machinery of the host performs the replication, transcription and translation.
Thus, the selected option is true.
Since, the options have not been given, the question is incomplete. The complete question is as follows.
When Alexander Fleming discovered what was to become penicillin, he noticed that wherever mold was growing on plates of Staphylococus sp., there was a zone of inhibition of bacterial growth around the fungi. What type of symbiotic relationship does this describe?
A) Amensalistic
B) Cooperative
C) Mutualistic
Answer: A) Amensalistic
Explanation:
Amensalism is a symbiotic relationship between organisms that belong to different species, in this one organism is destroyed or inhibited in terms of growth and distribution but the other organism remains unaffected.
The given situation is the result of amensalism this is because of the fact that penicillin contains a fungal formulation which is likely to destroy the bacterial cells of Staphylococus sp. by creating a zone of inhibiting. Here, the fungal species will remain unaffected but the bacterial species will be inhibited.
Answer:
A sphygmomanometer is a devices which is use to measure blood pressure. Sphygmomanometer is consist of rubber cuff (inflated) which is use to wrap around the arm and the dveice measures the pressure generated in the cuff.
Heart beats allows the blood to flow in the arteries and causes rise in the pressure, called systolic pressure and after thhis when pressure decreases, pressure is called the diastolic pressure.
The sphygmomanometer cuff get inflated with the systolic pressure and when valves are open the cuff releases the pressure. When cuff pressure become equal to systolic pressure, it creates blood flow turbulence and the sound can b emeasures by stethoscope. these sounds are notived and cuff pressure is meausred. The blood flow turbulence will be created till the pressure of cuff reaches below the diastolic pressure. When the blood flow sound stops, it indicates the begining of diastolic pressure.
So, this is how a sphygmomanometer measures blood pressure.
