Cell Flashcards

1
Q

Basic building block of life.

A

Cell

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2
Q

Protects the surface of the body and the cavities within.

A

Epithelial cells

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3
Q

Help to support and protect the body.

A

Bone cells

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4
Q

Smallest unit of a living thing.

A

Cell

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5
Q

Several cells of the same kind interconnect w/ each other and perform shared functions to form tissues. Happens in what type of organism?

A

Multicellular organism

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6
Q

(Unified Theory) New cells come from pre-existing cells through what?

A

Cell division

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7
Q

'’pro’’/’‘karyon’’ (Prokaryotic cells)

A

before/ nucleus

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8
Q

'’eu’’ (Eukaryotic cells)

A

true

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9
Q

Synthesizes the proteins in the cell.

A

Ribosome

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10
Q

Contains the Genetic material of the cell.

A

DNA

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11
Q

The jelly-like substance in the cell where the cellular components are found.

A

Cytoplasm

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12
Q

An outer covering that separates the cell’s interior from its surrounding environment.

A

Plasma membrane

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13
Q

Single-celled (Unicellular)

A

Prokaryotic cell

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14
Q

A type of cell that lacks nucleus and other membrane-bound organelle.

A

Prokaryotic cell

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15
Q

Organelle that acts as a protection, helps maintain shape, and prevents dehydration.

A

Cell wall

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16
Q

Where is the DNA of prokaryotic cell located?

A

The central part, the darkened part called nucleoid

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17
Q

Used for locomotion

A

Flagella/Cilia

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18
Q

Used to exchange genetic material during a type of reproduction called ———

A

Pili/Conjugation

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19
Q

Made up of phospholipid bilayer embedded w/ proteins.

A

Plasma Membrane

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20
Q

Specialized in absorption folded into fingerlike protections.

A

Microvilli

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21
Q

This is a network of protein fibers that maintain the shape of the cell.

A

The Cytoskeleton

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22
Q

The 3 types of microfilaments in cytoskeleton.

A

Actin filaments, Intermediate filaments, microtubules

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23
Q

What is the compound that strengthens hair and nails? it forms one type of intermediate filaments.

A

Keratin

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24
Q

These are hollow tubes that can dissolve and reform quickly.

A

Microtubules

25
They guides the organelle movement and are the structures that pull chromosomes to their poles during cell division.
Microtubules
26
They are also the structural components of flagella and cilia.
Microtubules
27
A region near the nucleus of animal cells that functions a a microtubule-organizing center.
Centrosome
28
Responsible for pulling the duplicated chromosomes to opposite ends of the dividing cell.
Centrioles
29
It replicates itself before a cell divides.
Centrosome
30
Long hair-like structures that extend from the plasma membrane and are used to move an entire cell. When present in cell it has just one or few.
Flagella
31
Short hair-like structures that are used to move entire cells or move substances along the outer surface of the cell. Many in number extended along the entire surface of the plasma membrane.
Cilia
32
''Endo'' means?
within
33
A group of membranes and organelle that work together to modify, package, and transport lipids and proteins. Eukaryotic cells.
The endomembrane system
34
Parts of nucleus
Nucleolus, Chromatin, Nucleoplasm, Nuclear pore, Nuclear envelope
35
The 2 phospholipid bilayers of Nuclear envelope.
inner and outer membrane
36
Chromosome number of fruit flies.
8
37
Chromosome number of the human.
46
38
ER that modify proteins.
Rough ER
39
ER that synthesize lipids.
Smooth ER
40
What do we call the hollow portion of the ER?
Lumen or cisternal space
41
Synthesis of carbohydrates, lipids, and steroid hormones; detoxification of medications and poisons; alcohol metabolism; and storage of calcium ions.
Smooth ER
42
What organelle do the sorting, tagging, packaging, and distribution of lipids and proteins?
Golgi apparatus
43
Who discovered the Golgi apparatus?
Camillo Golgi
44
Vacuoles are somewhat larger than ----
Vesicles
45
If the cell is damaged beyond repair, lysosomes can help it to self-destruct in a process called programmed cell death or?
Apoptosis
46
The formation of ATP from the breakdown of glucose is known as?
Cellular respiration
47
Location of DNA
Nucleoid
48
Cell organelle that houses the DNA and directs synthesis of ribosomes and proteins
Nucleus
49
ATP production and cellular respiration
Mitochondria
50
Oxidizes and break down fatty acids, and amino acids and detoxifies proteins
Peroxisomes
51
Storage and transport, digestive function in plant cells
Vesicles and vacuoles
52
Organizing center of microtubules in animal cells
Centrosome
53
Digestion of macromolecules; recycling of worn-out organelles
Lysosomes
54
Protection, structural support and maintenance of cell shape
Cell wall
55
Photosynthesis
Chloroplast
56
Modifies, sorts, tags, packages, and distributes lipids, and protection
Golgi apparatus
57
Cellular locomotion
Flagella
58
Cellular locomotion, movement of particles along extracellular surface of plasma membrane and filtration
Cilia
59
Maintains cell's shape, secures organelles in specific positions, allows cytoplasm and vesicles to move within the cell and enables unicellular organisms to move independently
Cytoskeleton