Which of the following cannot exist in rna? a. uracil b. thymine c. cytosine d. guanine

answer: blah

explanation:

bc blah

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.

1) a

2)c

3)a

4)c

5)b

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label a.   prophase

label b. metaphase

label c: anaphase

label d: telophase