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A&P > Chapter 3 The Cellular Level Of Organization > Flashcards

Chapter 3 The Cellular Level Of Organization Flashcards

1
Q

The nuclear division that maintains the same number of chromosomes and is part of somatic cell division is called?

A

Mitosis

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2
Q

The part of the cell cycle during which the cell grows and replicates its DNA is called the?

A

Interphase

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3
Q

The term for regulated, genetically programmed cell death is?

A

Apoptosis

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4
Q

The term for pathological cell death that results from cell injury

A

Necrosis

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5
Q

Living structural and functional unit enclosed by a membrane

A

A cell

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6
Q

The site of protein synthesis in the cell is the?

A

Ribosome

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7
Q

Pleural cavity, pericardial cavity, mediastinum are all located and part of the ________ cavity

A

Thoracic

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8
Q

Thin flexible barrier around a cell: regulates what enters and leaves the cell

A

Cell membrane

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9
Q

The network of membranous cisterns studded with ribosomes; processing and sorting of secretory and membrane proteins

A

Rough endoplasmic reticulum

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10
Q

Longer projections that move the whole cell (tail of the sperm) are?

A

Flagella

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11
Q

The next work of membranous cisterns involved in lipid metabolism and detoxification of some drugs is the?

A

Smooth ER (endoplasmic reticulum)

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12
Q

Which organelle contains 40 kinds of powerful digestive enzymes?

A

Lysosomes

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13
Q

Extensions that move along the cell surfaces are?

A

Cilia

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14
Q

The most basic, living and structural unit of the body is the?

A

Cell

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15
Q

The cell membrane is selectively permeable, T OR F?

A

True

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16
Q

Substances move passively from one side of the cell membrane to the other by a concentration gradient; substances therefore move from ______ to _______.

A

High to low

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17
Q

The ________ is the powerhouse of the cell

A

Mitochondrion

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18
Q

What is necessary to move substances from an area of low concentration to an area of high concentration?

A

ATP

19
Q

Ribosomes make?

A

Proteins

20
Q

What organelle assists in mitosis?

A

Centrosomes

21
Q

What will happen to a red blood cell is a hypertonic solution?

A

Crenation

22
Q

If a cell has the ability to eat bacteria or other material it is known as a?

A

Phagocyte

23
Q

Mitosis is when the body makes an exact copy of a cell. Ex.skin cells. T OR F?

A

True

24
Q

Genes are dispersed in form of ________ in non dividing cells

A

Chromatin

25
Q

Genes are condensed in form of _______ in DIVIDING cells

A

Chromosomes

26
Q

The control centre of the cell is the?

A

Nucleus

27
Q

A double membrane that surrounds the nucleus of the cell

A

Nuclear envelope

28
Q

A set of microtubles

A

Centriole

29
Q

Also called the breakdown bodies or suicide sack due to their ability to digest molecules, pathogens, or the cell itself

A

Lysosome

30
Q

The 2 types of cell division are?

A

Reproductive and somatic

31
Q

This process of cell division, consists of a special two step division called MEIOSIS, in which the number of chromosomes in the nucleus are reduced by half.

A

Reproductive

32
Q

This process of cell division is when the cell cycle consists of two major periods-INTERPHASE when a cell is NOT dividing, and MITOTIC PHASD, when a cell is dividing- what type of cell division is this?

A

Somatic

33
Q

During ________ , the cell grows and replicates its DNA

A

Interphase

34
Q

During _____ _______, two identical cells form, this consists of MITOSIS.

A

MITOTIC phase

35
Q

_________ includes the distribution of two sets of chromosomes into two separate nuclei, this nuclear division maintains the same number of chromosomes

A

Mitosis

36
Q

The cell has 3 parts

A

Plasma membrane, cytoplasm, nucleus

37
Q

A type of diffusion in which there is NET MOVEMENT of a solvent through a selectively permeable membrane

A

Osmosis

38
Q

A measure of osmotic pressure gradient of two solutions separated by selectively permeable membrane.

A

Tonicity

39
Q

In a hypotonic solution the rupture of a cell is called

A

Lysis

40
Q

In a hypertonic solution the rupture of a cell is called

A

Crenation

41
Q

Water moves by osmosis across a plasma membrane from an area of _______ solute to an area of ______ solute concentration

A

Lower

Higher

42
Q

A Passive process in which the random mixing of particles in a solution occurs because of the particles kinetic energy

A

Diffusion

43
Q

Cytoplasm consists of what two components

A

Cytosol and organelles

A&P (11 decks)

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