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ANAPHY > Cells > Flashcards

Cells Flashcards

0
Q

It contains gentic material of cell (DNA) and nucleoli; site of RNA synthesis and ribosomal subunit assembly.

A

Nucleus

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1
Q

It is the basic unit of all organisms

A

Cell

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2
Q

Site of protein synthesis.

A

Ribosomes

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3
Q

It has many ribosomes attached; site of protein synthesis.

A

Rough ER

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4
Q

Facilitates the movement of chromosomes during cell division.

A

Centrioles

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5
Q

It is the network of microtubules; extends from the centrosome during cell division; distributes DNA equally to the resulting daughter cells.

A

Spindle fibers

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9
Q

Numerous short, hairlike organelles; move substances over surfaces of certain cells

A

Cilia

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11
Q

It increases surface area of certain cells; tiny, fingerlike projectings of the cell that increases the membranes surface area for more absorption; it can be seen superiorly; it is responsible for locomotion.

A

Microvilli

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12
Q

Contains enzymes that digest material taken into the cell.

A

Lysosome

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14
Q

Network of membranoustubesand canals winding through the interior of cell; manufactures molecules that make up cellular membranes

A

ER

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15
Q

It is the living material surrounding the nucleus.

A

Cytoplasm

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16
Q

Outermost component of a cell; acts as a selective barrier that determines what moves into and out of the cell; plays a role in communication bet cells

A

Cell membrane

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17
Q

Substances outside the cell

A

Extracellular

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18
Q

Site of lipid synthesis; participates in detoxification.

A

Smooth ER

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20
Q

Functions of the cell

A

Cell metabolism and energy use; synthesis of molecules such as proteins, nucleic acids, and lipids; communication; reproduction and inheritance

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21
Q

Site of aerobic respiration and the major site of ATP synthesis or energy conversion.

A

Mitochondrion/ Mitochondria

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22
Q

Movement INTO cells by vesicles /// movement OUT of cells by vesicles

A

Endocytosis /// exocytosis

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23
Q

The folds of the inner membrane in mitochondria called _______?

A

Cristae

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24
Q

Part lf an kntercellular communication system that enables cell recognition and coordination of the activities of cells

A

Receptor molecules

25
Q

Tiny nucleus

A

Nucleolus

26
Q

Contains materials produced in the cell; formed by the golgi apparatus; secreted by exocytosis.

A

Secretory vesicle

27
Q

It supports cytoplasm; assists in cell division and forms components of cilia and flagella.

A

Microtubule

28
Q

Water loving // water fearing

A

Hydrophilic // hydrophobic

29
Q

Generally composed of one or more substances called solute.

A

Solution

30
Q

Movement from an area of higher concentration to an area of lower concentration.

A

Diffusion

31
Q

Differce in the concentration of a solute in a solvent bet two points divided by th distance bet two points

A

Concentration gradient

32
Q

Channel that allows ions to pass through

A

Leak channel

33
Q

Channel that limits the movement of ions across the membrane by opening and closing

A

Gated channel

34
Q

It is the diffusion of water across a permeable membrane from a region of higher water concentration to lower water concentration.

A

Osmosis

35
Q

Breaks down fatty acids, amino acods, and hydrogen peroxide

A

Peroxisomes

36
Q

Supports cytoplasm and organnels and it is involved with cell movements; gives shape to the cell

A

Cytoskeleton

37
Q

Hereditary material of the cell and controls cell activities

A

DNA

38
Q

The force required to prevent movement of water across a selectively permeable membrane

A

Osmotic pressure

39
Q

Membranous bubbles that may be formed by golgi apparatus

A

Vesicles

40
Q

Movement of all particles of matter

A

Brownian motion

41
Q

It is a carrier mediated transport process that moves substances into or out of cells from higeher to a lower concentration of substance

A

Facilitated diffusion

42
Q

It has the same potential osmotic pressure

A

Isotonic

43
Q

Solution with higher osmotic pressure ( lower water concentration)

A

Hypertonic

44
Q

Lower osmotic pressure ( higher water concentration)

A

Hypotonic

45
Q

Substances inside the cell

A

Intracellular

46
Q

It is the specialized structures within the cells.

A

Organelles

47
Q

Studies of the arrangement of molecules in the cell membrane have given rise to a model of its structure called_____

A

Fluid mosaic model

54
Q

It is the dense area of cell fluid near the nucleus.

A

Centrosome

55
Q

It propels sperm cells; single long , hairlike organelles

A

Flagella

58
Q

Modifies protein structure and packages proteins in secretory vesicles; appears as a stack of flattened sacs.

A

Golgi apparatus

ANAPHY (3 decks)

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