<span>If you google your question this comes up - Name the four classes of carbon-containing molecules used by living things, and explain how the nitrogen and carbon cycles contribute to the usable supplies of these macromolecules. The carbon-containing (organic) macromolecules necessary for life are proteins, carbohydrates, lipids and nucleic acids.</span>
Answer:
Explanation:
As verbs the difference between mounting and staining is that mounting is while staining is . As an adjective mounting is that continues to mount; steadily accumulating. As a noun mounting is something mounted; an attachment.
PH = - log [H+]
Transpose and solve for H+
3 = - log [H+]
H + =
= 0.001 M
Correct answer: A). Gathering evidence
The scientific explanation uses measurements and observations in order to explain something in the natural world. The Scientist uses the scientific method to collect evidence in the experiment that is related to the hypothesis.
They can gather the evidence by just observing the natural world and its phenomena or by performing an experiment in the laboratory or by running a model.
Hence, the correct answer would be option A.
3)LIVER has eukaryotic animal cell
