Deck 2 Flashcards

0
Q

The nuclear membrane encloses a jellylike fluid called

A

Nucleoplasm

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1
Q

At various points, the two layers of the nuclear envelope fuse, and what penetrate through the fused regions?

A

Nuclear pores

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2
Q

The nucleus contains one or more small, dark-staining, essentially round bodies called ________. They are also sites where ribosomes are assembled

A

Nucleoli

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3
Q

What serve as the actual sites of protein synthesis

A

Ribosomes

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4
Q

When a cell is not dividing, its DNA is combined with protein and forms a loose network of bumpy threads called

A

Chromatin

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5
Q

When a cell is dividing to form two daughter cells, the chromatin threads coil and condense to form dense, rodlike bodies called

A

Chromosomes

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6
Q

The flexible and fragile transparent barrier that contains the cell contents and separates them from the surrounding environment is called the

A

Plasma membrane

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7
Q

The polar “heads” of the lollipop-shaped phospholipid molecules that are attracted to water are called

A

Hydrophilic

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8
Q

The nonpolar tails that avoid water are called

A

Hydrophobic

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9
Q

“Sugar proteins” are called

A

Glycoproteins

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