Chapter 4 Cell FUNCTION Flashcards

1
Q

encloses CELL CONTENTS; REGULATES what enters and leaves the cell.

A

PLASMA MEMBRANE

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2
Q

ABSORB materials INTO the cell

A

MICROVILLI

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3
Q

Contains CHROMOSOMES, DIRECTS all cellular activitiy

A

NUCLEUS

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4
Q

MAKES RIBOSOMES

A

NUCLEOLUS

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5
Q

site of CELLULAR activities. Consists of CYTOLSOL and ORGANELLES

A

CYTOPLASM

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6
Q

surrounds the organelles

A

CYTOSOL

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7
Q

plasma membrane

A

ENCLOSES the cell contents; REGULATES what ENTERS and LEAVES the cell

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8
Q

microvilli

A

ABSORB materials INTO the cell

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9
Q

nucleus

A

CONTAINS the CHROMOSOMES, DIRECTS all cellular ACTIVITIES

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10
Q

nucleolus

A

makes RIBOSOMES

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11
Q

cystoplasm

A

SITE of many cellular activivites

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12
Q

ENDO-PLASMIC RETICULUM (ER)

A

rough ER SORTS proteins and FORMS them into COMPOUNDS.

smooth ER is involved with LIPID SYNTHESIS.

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13
Q

RIBOSOMES

A

MANUFACTURE proteins.

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14
Q

MITOCHONDRIA

A

CONVERT energy FROM nutrients into ATP

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15
Q

GOLGI APPARTATUS

A

makes COMPOUNDS containing PROTEINS, SORTS and PREPARES these COMPOUNDS for TRANSPORT to other parts of the cell and OUT of the cell.

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16
Q

LYSOSOME

A

DIGEST substances within the cell.

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17
Q

PEROXISOMES

A

BREAK DOWN harmful substances.

18
Q

VESICLES

A

STORE materials and MOVE materials into or OUT of the cell in BULK.

19
Q

CENTRIOLES

A

help SEPARATE the CHROMOSOMES during cell DIVISION.

20
Q

CILIA

A

MOVE fluid AROUND the cell.

21
Q

FLAGELLUM

A

MOVES the cell.

22
Q

MOVES the cell.

A

FLAGELLUM

23
Q

MOVE the fluids AROUND the cell.

A

CILIA

24
Q

LONG, WHIP-LIKE extension from the cell.

A

FLAGELLUM

25
Q

SHORT, HAIR-LIKE projections from the cell.

A

CILIA

26
Q

STRUCTURES that EXTEND from the cell.

A

SURFACE PROJECTIONS.

27
Q

ROD-SHAPED bodies

(usually two) NEAR the nucleus.

A

CENTRIOLES.

28
Q

small MEMBRANE-BOUND sacs in the cytoplasm.

A

VESICLES

29
Q

MEMBRANE-ENCLOSED organelles containing ENZYMES.

A

PEROXISOMES.

30
Q

SMALL SACS of DIGESTIVE ENZYMES.

A

LYSOSOMES

31
Q

LAYERS of MEMBRANES.

A

GOLGI APPARATUS

32
Q

large ORGANELLES with FOLDED membranes inside.

A

MITOCHONDRIA

33
Q

small BODIES free in the cytoplasm or ATTACHED to the ER, composed of RNA and protein.

A

RIBOSOMES

34
Q

NETWORK of membranes within the cytoplasm. one has ribosomes attached to it; the other does not.

A

ER

ENDO-PLASMIC RETICULUM

35
Q

SURROUNDS the organelles

A

CYTOSOL

36
Q

the FLUID portion of the CYTOPLASM

A

CYTOSOL

37
Q

SMALL body in the nucleus; COMPOSED of RNA, DNA and PROTEIN

A

NUCLEOLUS

38
Q

LARGE, dark-STAINED organelle near the CENTRE of the cell, composed of DNA and proteins

A

NUCLEUS

39
Q

SHORT EXTENSIONS of the cell MEMBRANE

A

MICROVILLI

40
Q

outer LAYER of the cell, COMPOSED mainly of LIPIDS and PROTEINS.

A

PLASMA MEMBRANE.