Most bacteria are a. unicellular eukaryotes b. unicellular prokaryotes c, multicellular eukaryotes d, multicellular prokaryotes

b. unicellular prokaryotes

Explanation:

Most of the bacteria are primitive organisms that is why they are not very advanced in terms of cellular organelles and body functions. They do not have high level of organization in their body like presence of tissues, organs, organ systems etc. because they are only single celled organisms that is why they are known as unicellular organisms. A single cell performs all the functions required to sustain life. Their genetic material is very primitive type of structure which does not have any nuclear membrane or nuclear envelop. It is circular in shape and lies in the cytoplasm and it is known as nucleoid instead of nucleus.

For example: E. coli.

b is the correct answer

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when the volume of gas is   changed from   717.73 ml   to 852 ml   the temperature will   change   from 315   c to 452   c

    calculation

this is calculated using the charles law formula

that is,   v1/t1 = v2/t2

          v1=?

        t1 = 315 c   into   kelvin = 315 +273 = 588 k

        v2 = 852   ml

        t2 = 425c + 273 =698 k

make v1   the subject of the formula ( by   multiplying both side by t1)

  v1=( v2 xt1) / t2

v1= (852 ml   x 588 k)/ 698 k= 717.73 ml