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Biology (sab) > Cellular Bio > Flashcards

Cellular Bio Flashcards

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0
Q

Where is ribosomal RNA synthesized (rRNA)

A

Nucleolus

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1
Q

Structural proteins that form chromosomes and help regulate gene transcription.

A

Histones

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2
Q

This does not contain ribosomes but is involved with metabolism and the production of lipids

A

Smooth ER

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3
Q

This contains ribosomes and plays an important role in the production of proteins

A

Rough ER

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4
Q

Receives vesicles from the smooth ER and modifies, repackages into vesicles and distributes them by exocytosis

A

Golgi apparatus

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5
Q

The cellular fluid contained within the cell membrane

A

Cytosol

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6
Q

Streaming movement within a cell

A

Cyclosis

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7
Q

What lysosomes contain to aid in intracellular digestion

A

Hydrolytic enzymes

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8
Q

3 things the cytoskeleton is composed of

A

Micro tubules
Microfilaments
Intermediate filaments

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9
Q

Hollow rods, polymerized Tubulin, provide support to cell, provide a framework for organelle movement

A

Microtubules

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10
Q

Cilia and flagella are specialized arrangements of?

A

Micro tubules

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11
Q

Solid rods of actin, cell movement, support , muscle contraction

A

Microfilaments

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12
Q

Cytoplasm has a lower solute concentration than the extra cellular medium , the medium is

A

Hypertonic

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13
Q

Causes the cell to shrivel

A

Plasmolysis or when the outside medium is hypertonic

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14
Q

When the extracellular environment is less concentrated than the cytoplasm of the cell, the medium is ?

A

Hypotonic

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15
Q

4 types of active transport

A

Energy independent carriers: movement of compounds along a gradient
Symporters
Antiporters
Pumps: energy dependent carriers

16
Q

Ingestion of fluids or small particles?ingestion of large particles ?

A

Pinocytosis

Phagocytosis

17
Q

Nuclear division

A

Karyokinesis

18
Q

Each chromosome of paternal origin separates from it’s homologue of maternal origin and either chromosomes end up in either daughter cell.

A

Disjunction

19
Q

When does disjunction occur in meiosis

A

Anaphase 1

Biology (sab) (11 decks)

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