Answer: c. the physical movement of air into and out of the lungs.
Explanation:
Pulmonary ventillation is also called as breathing. This is the process which involves the inhalation or physical entry of air inside the lungs this process is called as inspiration. And the flow out of air out of the lungs is called as exhalation. The flow of air creates a pressure difference between the atmosphere and the lungs.
B) Chorion
(Chorion Frondosum, which ultimately develops into the placenta.)
Answer:
mass spectrometry-Components of the samples are compared to known molecular weights.
microcrystalline test-Samples are mixed with reagents and observed under a polarized microscope
spectroscopy-Samples are exposed to UV and IR rays and their absorbance is measured.
Color test-Samples are mixed with specific reagents to produce colors.
Mass spectroscopy employs the technique of measurement of mass to charge ratio in determining the molecular weight
Spectroscopy deals with the relationship between a matter and electromagnetic radiations.
True
Medical expenses do not have to relate to a particular ailment in order to be deductible.
Answer:
b.Proteins
Explanation:
Nucleus -
Nucleus is one of the organelle present in the cell . The major genetic information of the cell is stores in the nucleus .
The nucleus controls and regulates the activity of the cell .
Nucleus is responsible for the synthesis of protein molecules.
Hence, from the information of the question,
The correct term is proteins.
