Lesson 2 My versio nnot ai

Question 1

Basic overall cell structure has

Answer 1

Cell membrane, nucleus, organelles and cytoplasm

Question 2

Cell wall structure

Answer 2

made of large number of cellulose fibres. small molecules pass through whilst large molecules may not.

Question 3

function of nucleus

Answer 3

control center or brain of the cell. contains dna and is site of manufacture of rRNA

Question 4

what do chromosomes in dna do

Answer 4

they function in the packaging of dna during nuclear division and control of gene expression.

Question 5

What about a cell does the nucleus determine

Answer 5

metabolism, growth, differentiation, structure and reproduction

Question 6

difference between rough er and smooth er

Answer 6

rough er has ribosomes attached to it.

Question 7

function of rough er

Answer 7

to create proteins through protein synthesis

Question 8

function of smooth er

Answer 8

function is to synthesize lipids and to detoxify drugs and chemicals in the cell.

Question 9

function of ribosomes

Answer 9

site for protein synthesis

Question 10

golgi body function

Answer 10

functions in modification, assembly, packaging, storage and secration of substances

Question 11

function of vacuoles and vesicles

Answer 11

used for transport and storage of materials

Question 12

central vacuole function

Answer 12

functions are water storage, food storage, waste storage, and cell support

Question 13

lysosome function

Answer 13

help destroy invading bacteria

Question 14

function of mitochondria

Answer 14

function is aerobic energy metabolism (aka cellular respiration) converts glucose and fatty acids into atp

Question 15

function of chloroplasts

Answer 15

site of where photosynthesis occurs

Question 16

function of centrioles

Answer 16

give rise to basal bodies. assist in formation of spindle apparatus in cell division.

Question 17

cilia (centrioles) function

Answer 17

hair like projections that function in cell movement

Question 18

flagella (centrioles) function

Answer 18

whip-like function. function in cell movement

Question 19

cytoskeleton function

Answer 19

help organelles move as necessary. serve in anchoring organelles and moving them within the cell.