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3.4   Short Answer Questions 1) Cells that have membrane-bound organelles and

Question : 3.4   Short Answer Questions 1) Cells that have membrane-bound organelles and : 1402893

 

3.4   Short Answer Questions

 

1) Cells that have membrane-bound organelles and cytoplasm are classified as ________ cells.

 

2) Intracellular structures surrounded by membranes, such as the nucleus, mitochondria, lysosomes, and endoplasmic reticulum, are referred to as ________.

 

3) Many cells use tiny projections of their plasma membrane called ________ to increase the surface area relative to cell volume.

 

4) Most cells are very small in order to maximize their ________ with respect to their volume.

 

5) Plasma membranes become less fluid when ________ is present.

 

6) The figure above illustrates the process of ________, which requires a(n) ________ between two regions in a fluid.

 

7) The plasma membrane regulates the transport of molecules into and out of the cell by allowing only certain substances to pass, thus it is said to be ________.

 

8) The net diffusion of water across a plasma membrane is known as ________.

 

9) Diffusion of molecules through channels and facilitated transport are types of ________ transport.

 

10) The movement of large molecules or large quantities of molecules into a cell is accomplished through ________; movement of these molecules out of the cell is accomplished through ________.

 

 

 

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