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Gen Zoo P1 (LEC) > Gen Zoo Chap 2 > Flashcards

Gen Zoo Chap 2 Flashcards

1
Q

Basic unit of life

A

Cell

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2
Q

single-celled organism

A

Unicellular

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3
Q

have more than one cell

A

Multicellular

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4
Q

do not have nucleus

A

Prokaryotes

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5
Q

do not have nucleus

A

Prokaryotes

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6
Q

have nucleus

A

Eukaryotes

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7
Q

A selectively permeable enclosing the cell. Made by phospholipid bilayer

A

Plasma Membrane

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8
Q

towards inside

A

Hydrophobic

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9
Q

towards outside

A

Hydrophilic

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10
Q

All contents inside the cell other than nucleus

A

Cytoplasm

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11
Q

Most prominent organelle which contains of
linear chromosomes suspended

A

Nucleus

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12
Q

solution where nucleus
suspended

A

Nucleoplasm

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13
Q

specialized parts of certain
chromosomes that carry multiple copies of DNA
used to synthesize RNA

A

Nucleolus

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14
Q

double-layer membrane
enclosing the nucleus and contains pores to allow molecules to move between nucleus and cytoplasm

A

Nuclear envelope

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15
Q

Network of membranes throughout the
cytoplasm

A

Endoplasmic Reticulum

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16
Q

(ribosomes attached) protein
synthesis occurs

A

Rough ER

17
Q

(no ribosomes attached)
Lipid/phospholipid synthesis; detoxify cell of
harmful substances

A

Smooth ER

18
Q

Necessary for protein synthesis . Made of 2 small subunit and is numerous

A

Ribosomes

19
Q

Composed of stack of membranous vesicles

A

Golgi complex

20
Q

Function in storage, modification and packaging of polypeptide and protein products produce by the rough ER

A

Golgi complex

21
Q

Used to be an extension of the nuclear envelope and used to be part of the endoplasmic
reticulum before detaching

A

Golgi complex

22
Q

Detached/formed by Golgi complex

A

Lysosomes

23
Q

Contains enzyme involved in breaking down
foreign material

A

Lysosomes

24
Q

engulfing of cell

A

Phagocytosis

25
Q

breakdown injured/diseased cell

A

Autophagy

26
Q

programmed cell death (kill itself)

A

Apoptosis

27
Q

Powerhouse of the cell. Produce ATP (for energy-transfer)

A

Mitochondria

28
Q

Motile extensions of the cell surface
* Used for locomotion
* Flagellum is longer

A

Cilia/Flagella

29
Q

Made of layers of tightly packed cells that line the surface of the body, organs, blood vessels, respiratory system and all the body cavities

A

Epithelial tissue

30
Q

Made up of cells containing contractile
filaments (muscle fibers)
* Can lengthen or shorten

A

Muscular tissue

31
Q

internal organs
like stomach and intestine

A

Smooth (involuntary)

32
Q

Attached to the
bones; most common

A

Skeletal (voluntary)

33
Q

walls of the
heart; for pumping blood

A

Cardiac (involuntary)

34
Q

Responsible for holding tissues together
* Provide framework

A

Connective Tissue

35
Q

Made up of nerve cells called neurons that
together form nervous system

A

Nervous tissue

Gen Zoo P1 (LEC) (4 decks)

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