Answer:
I think the answer is D) when one has a non-living specimen that is no thicker than a few micrometers
Let me know if I'm wrong
<span>best describes the difference between a mixture and a pure substance is D. for example tea and water makes tea its a mixture and water is just water ... therefor water a compound
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I. They they don't need to have a gas exchange system so they just breathe or respire through diffusion.
diffuse in the oxygen and diffuse out the carbon dioxide.
this happen if they were respiring aerobically, with the presence of oxygen.
It is <u>TRUE</u> that multiple polypeptides joined together represents the tertiary level of protein organization.