Chapter 4 Cell FUNCTION

Question 1

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

Answer 1

PLASMA MEMBRANE

Question 2

ABSORB materials INTO the cell

Answer 2

MICROVILLI

Question 3

Contains CHROMOSOMES, DIRECTS all cellular activitiy

Answer 3

NUCLEUS

Question 4

MAKES RIBOSOMES

Answer 4

NUCLEOLUS

Question 5

site of CELLULAR activities. Consists of CYTOLSOL and ORGANELLES

Answer 5

CYTOPLASM

Question 6

surrounds the organelles

Answer 6

CYTOSOL

Question 7

plasma membrane

Answer 7

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

Question 8

microvilli

Answer 8

ABSORB materials INTO the cell

Question 9

nucleus

Answer 9

CONTAINS the CHROMOSOMES, DIRECTS all cellular ACTIVITIES

Question 10

nucleolus

Answer 10

makes RIBOSOMES

Question 11

cystoplasm

Answer 11

SITE of many cellular activivites

Question 12

ENDO-PLASMIC RETICULUM (ER)

Answer 12

rough ER SORTS proteins and FORMS them into COMPOUNDS.

smooth ER is involved with LIPID SYNTHESIS.

Question 13

RIBOSOMES

Answer 13

MANUFACTURE proteins.

Question 14

MITOCHONDRIA

Answer 14

CONVERT energy FROM nutrients into ATP

Question 15

GOLGI APPARTATUS

Answer 15

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

Question 16

LYSOSOME

Answer 16

DIGEST substances within the cell.

Question 17

PEROXISOMES

Answer 17

BREAK DOWN harmful substances.

Question 18

VESICLES

Answer 18

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

Question 19

CENTRIOLES

Answer 19

help SEPARATE the CHROMOSOMES during cell DIVISION.

Question 20

CILIA

Answer 20

MOVE fluid AROUND the cell.

Question 21

FLAGELLUM

Answer 21

MOVES the cell.

Question 22

MOVES the cell.

Answer 22

FLAGELLUM

Question 23

MOVE the fluids AROUND the cell.

Answer 23

CILIA

Question 24

LONG, WHIP-LIKE extension from the cell.

Answer 24

FLAGELLUM

Question 25

SHORT, HAIR-LIKE projections from the cell.

Answer 25

CILIA

Question 26

STRUCTURES that EXTEND from the cell.

Answer 26

SURFACE PROJECTIONS.

Question 27

ROD-SHAPED bodies | (usually two) NEAR the nucleus.

Answer 27

CENTRIOLES.

Question 28

small MEMBRANE-BOUND sacs in the cytoplasm.

Answer 28

VESICLES

Question 29

MEMBRANE-ENCLOSED organelles containing ENZYMES.

Answer 29

PEROXISOMES.

Question 30

SMALL SACS of DIGESTIVE ENZYMES.

Answer 30

LYSOSOMES

Question 31

LAYERS of MEMBRANES.

Answer 31

GOLGI APPARATUS

Question 32

large ORGANELLES with FOLDED membranes inside.

Answer 32

MITOCHONDRIA

Question 33

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

Answer 33

RIBOSOMES

Question 34

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

Answer 34

ER ENDO-PLASMIC RETICULUM

Question 35

SURROUNDS the organelles

Answer 35

CYTOSOL

Question 36

the FLUID portion of the CYTOPLASM

Answer 36

CYTOSOL

Question 37

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

Answer 37

NUCLEOLUS

Question 38

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

Answer 38

NUCLEUS

Question 39

SHORT EXTENSIONS of the cell MEMBRANE

Answer 39

MICROVILLI

Question 40

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

Answer 40

PLASMA MEMBRANE.