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Exam 2: The Cell: Basic Unit of Structure and Function

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Question 31

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The phase of mitosis that begins as spindle fibers pull sister chromatids apart at the centromere is

A) metaphase.
B) anaphase.
C) telophase.
D) prophase.
E) interphase.

F) D) and E)
G) A) and E)

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Question 32

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Mitochondria are responsible for the synthesis of most of the energy-rich ATP molecules used by human cells.

A) True
B) False

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Question 33

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_____________ is the division of the cytoplasm during cell division.

In humans,the only cell that bears a flagellum is the ________ cell.

Which is an active transport process?

The condensed,"wound" nature of chromosomes during cell division prevents the DNA from directing the production of additional cellular proteins.

The subunits of ribosomes are exported outside the nucleus into the cytoplasm,where they are assembled into their finished product.

The uptake of cholesterol into cells is an example of

The two identical cells that arise from mitosis are called ____________ cells.

DNA is organized into discrete units called ____________ that provide information for the production of specific proteins.

Catalase-containing peroxisomes are most abundant in ______ cells.

Nuclear ____________ are open passageways that penetrate fused regions of the double membrane of the nuclear envelope.

Organelles that are always in direct contact with the cytosol are called nonmembrane-bound organelles.

The fuzzy coat made of glycoproteins and glycolipids found on the external surface of the plasma membrane is called the _______________.

Bulk filtration occurs as a result of

The last part of interphase is called

Which is a passive transport process?

In _____________ transport,substances move across a plasma membrane without the expenditure of energy by the cell.

The amount of rough ER is greater in cells producing large amounts of protein for secretion.

Lysosome functions range from the digestion of materials ingested by the cell to the self-destruction of the cell.