Although often single celled, protists are clearly different from bacteria because _____.

A) protists can move using extensions of the cell
B) the cells of all protists have a nucleus
C) protists sense their external environment and respond accordingly
D) protists can reproduce
E) protists organize into populations


Answer: B) the cells of all protists have a nucleus

Biology & Microbiology

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The total protein content of the cell is called the ________.

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

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Osmotic pressure of a solution is the amount of pressure exerted on the side of the selectively permeable containing a higher concentration of solute to prevent diffusion of solute.

Indicate whether the statement is true or false.

Biology & Microbiology

What are peripheral membrane proteins?

What will be an ideal response?

Biology & Microbiology

The biotic portion of an ecosystem includes the plants, animals, and water

Indicate whether the statement is true or false

Biology & Microbiology