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Exam 2: The Celt Basic Unit of Structure and Function

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Question 51

True/False

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Cancers are more prevalent in the elderly because the mechanism of cell division becomes faultier with age.

A) True
B) False

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Question 52

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If the inside of a cell has a net negative charge,a negative ion outside the membrane is more likely to be attracted to the intracellular environment.

A) True
B) False

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Question 53

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Which is not a membrane-bound organelle?

Removal of old organelles is via a process called

The last part of interphase is called

Which is not characteristic of a cell undergoing apoptosis?

Fibroblast cells form protein fibers that function to attach structures together.

Some muscle and nerve cells in humans may approach a meter in length.

The building blocks that form the DNA double helix are called

The first "R" in RER stands for _______________.

Identify the organelle that provides enzymes for autolysis.

The _____________ proteins are those that are not embedded in the membrane lipid bilayer but are attached loosely to its external and internal surfaces.

Proteins that assist the movement of a substance across the membrane are called _____ proteins.

The organelles responsible for organizing microtubules that are a part of the mitotic spindle are called

Proteins that are embedded within and extend across the phospholipid bilayer are called _____ proteins.

_____________ is the general term for all cellular contents located between the plasma membrane and the nucleus.

A membrane that is able to regulate the movement of materials in and out of the cell is described as being _________ _________ (2 words).

The duplicated chromosome that appears during prophase consists of two genetically identical structures called sister ________________.

In order to process digested nutrients and detoxify chemical agents such as drugs and alcohol,the ______ contains abundant amounts of smooth ER.