A typical bacterium would be closest in size to a. 1A b. 1 nanometer c. 1 microm

Question

A typical bacterium would be closest in size to a. 1A b. 1 nanometer c. 1 micrometer d. 1 millimeter e. 0.24 inch The properties of life---which one is false? a. Life is a system of organized electrical circuits that control the continuous flow of high energy electrons from food. b. Energy from these electrons is captured to create & break chemical bonds--this activity maintains the molecular components of life. c. Energy from these electrons is captured to create & break chemical bonds--this activity determines the functions of life--very often by simply changing the 3D shape of various molecules. d. Archaea are unique forms of life that derive their energy exclusively from heat in the environment and thus do not have or use electrons. e. Life ends very quickly when electrons no longer move through the system. Which is a bacterium that has been synthetically created in the laboratory a. HeLa b. Thiomargarita namibiensis c. T4 bacteriophage d. Mycoplasma mycoid

Explanation / Answer

4 c ) 1 micrometer

most round shaped bacteria has like 0.5 to 2 micrometer of size , although the size varies a lot.

5 D) Archaea are unique forms of life that derive their energy exclusively from heat in the environment and thus do not have or use electrons

Although archaea are extemely heat resistant and their biochemical pathway is very different , they do use inorganic sources for oxidation.

6D) Mycoplasma mycoides was sythetically created Craig venter & team

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