4 Flashcards

(14 cards)

1
Q

What is the structure of the Golgi Apparatus?

A

Folded membrane

The Golgi Apparatus consists of a series of flattened membrane-bound sacs.

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2
Q

What is the job of the Golgi Apparatus?

A

Gets vesicles of protein from the ER, processes, and ships proteins where needed

The Golgi Apparatus modifies, sorts, and packages proteins for secretion or delivery to other organelles.

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3
Q

What are vesicles?

A

Mini-carts that transport proteins around the cell

Vesicles are membrane-bound sacs that carry materials within the cell.

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4
Q

What is the structure of lysosomes?

A

Contain enzymes

Lysosomes are spherical vesicles containing hydrolytic enzymes for digestion.

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5
Q

What is the job of lysosomes?

A

Break down dead stuff (food, bacteria, old parts of cell, etc.) and can do programmed cell death (apoptosis)

Lysosomes play a key role in cellular cleanup and recycling.

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6
Q

What is a characteristic of lysosomes?

A

Animal cells only

Lysosomes are primarily found in animal cells and are involved in digestive processes.

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7
Q

What is the structure of vacuoles in animal cells?

A

One large vacuole and numerous smaller ones

Vacuoles in animal cells are generally smaller and more numerous compared to plant cells.

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8
Q

What is the job of vacuoles?

A

Store water, nutrients, waste, etc.

Vacuoles help maintain cellular homeostasis by storing essential materials.

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9
Q

What is the structure of centrioles?

A

Made of microtubules

Centrioles are cylindrical structures composed of microtubule triplets.

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10
Q

What is the job of centrioles?

A

Help cell divide by pulling chromosomes apart

Centrioles are crucial for proper cell division during mitosis.

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11
Q

What are cilia?

A

Shorter, more numerous projections that move like tiny oars

Cilia are involved in moving fluid across the cell surface.

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12
Q

What is the difference between cilia and flagella?

A

Cilia are shorter and numerous, while flagella are longer and fewer (1-3)

Both structures are involved in movement but differ in size and number.

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13
Q

What is the job of flagella?

A

Move the entire cell through extracellular fluid

Flagella are typically used for locomotion in single-celled organisms.

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14
Q

Cilia and flagella are associated with which cellular structure?

A

Cytoskeleton

The cytoskeleton provides the structural framework that supports cilia and flagella.

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