Ribosomes are complex aggregates of  

A.  RNA and DNA.
B.  RNA and proteins.
C.  RNA and sugars.
D.  DNA and proteins.
E.  nucleosomes and RNA.


B.  RNA and proteins.

Biology & Microbiology

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____________________ Indicate whether the statement is true or false.

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A single prokaryotic cell can divide several times in an hour. Most eukaryotic cells cannot divide this quickly. Which of the following statements best explains this difference?

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A(n) __________ solution has an osmotic pressure that is greater than the cell.

Fill in the blank(s) with the appropriate word(s).

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The amount and character of the ECM varies by

What will be an ideal response?

Biology & Microbiology