7/24/2019 Lab 6 Drawing of a Root Dicot Under a Light Microscope.

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NAME: Michael Timson

DATE:

FORM: L6-4

LAB: #6

SUBJECT: Biolo!

TEAC"ERS NAME: Miss Sa$%ean&

T'TLE: D$a(in o) a $oo& *ico& +n*e$ a lih& mic$osco,e

A'M: To *$a( a ,lan *$a(in o) a $oo& *ico& +n*e$ &he lih& mic$osco,e

CALCULAT'ON:

Mani)ica&ion .image

realobject

Si/e o) imae . 041 cm

. 041 2 03333

. 041333 m

Real si/e o) o5%ec& . 2 1

Mani)ica&ion .145000

.

7/24/2019 Lab 6 Drawing of a Root Dicot Under a Light Microscope.

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'n a m+l&icell+la$ o$anism7 ,lan& an* animal ha8e *i))e$en& s,eciali/e* cells si&+a&e*

a& 8a$io+s loca&ions &o ca$$! o+& i&s +ni9+e )+nc&ions These )+nc&ions all ,la! an im,o$&an&

$ole in &he s+$8i8al o) &he o$anism The sha,e an* &he s&$+c&+$e o) &he cells *e&e$mines &he

)+nc&ion Cells &ha& ca$$! &he same )+nc&ions a$e +s+all! $o+,e* &oe&he$ )o$min a &iss+e

(hich can 5e )+$&he$ $o+,e* &o )o$m o$ans s+ch as &he $oo&s in a ,lan&

The $oo& o) a *ico&!le*ono+s ,lan& con&ains man! 8a$ie&! o) cells an* &h+s &iss+es

The &iss+es in &he $oo& *ico& a$e &he e,i*e$mis7 co$&e27 ,hloem7 2!lem7 ,e$ic!cle an* &he

en*o*e$mis The e,i*e$mis is )o$me* 5! cells calle* &he e,i*e$mal cells The! a$e a sinle

$o+, o) cells &ha& co8e$s &he $oo& an* )o$ms &he 5o+n*a$! 5e&(een &he ,lan& an* &he e2&e$nal

en8i$onmen& The e,i*e$mis ca$$! o+& &(o ,$ima$! )+nc&ions These )+nc&ions incl+*e &he

,$o&ec&ion o) &he +n*e$l!in &iss+e o) $oo&s an* &he a5so$,&ion o) (a&e$ an* mine$als The

&hin-(alle* e,i*e$mal cells o) $oo&s i8e $ise &o $oo& hai$s (hich $ea&l! inc$ease &he s+$)ace

a$ea a8aila5le )o$ &he +,&ae o) n+&$ien&s )$om &he soil Some o) &he cells in &he en*o*e$mis

a$e &hin-(alle* an* a$e no(n as ,assae cells The ,assae cells allo( (a&e$ &o ,ass

&h$o+h The $emainin cells in &he en*o*e$mis a$e cha$ac&e$ise* 5! &he ,$esence o)

&hicenin on &hei$ $a*ial (alls These &hicenins a$e no(n as cas,a$ian &hicenins The!

a$e )o$me* 5! &he *e,osi&ion o) a (a2! s+5s&ance calle* s+5e$in The cas,a$ian &hicenins

,la! an im,o$&an& $ole in c$ea&in an* main&ainin a ,h!sical )o$ce calle* $oo& ,$ess+$e (hichassis& in &he mo8emen& o) (a&e$ +, &he 2!lem 'n some ol*e$ (o$s &he cells o) &he lea)

e,i*e$mis ha8e 5een $ea$*e* as s,ecialise*,a$ench!macells7 5+& &he es&a5lishe* mo*e$n

,$e)e$ence has lon 5een &o classi)! &he e,i*e$mis as *e$mal &iss+e7 (he$eas ,a$ench!ma is

classi)ie* as $o+n* &iss+e

Co$&e2 is a ma%o$ com,onen& o) &he $o+n* &iss+e o) $oo& '& is $e,$esen&e* 5! se8e$al

la!e$s o) loosel! ;s,ace*< a$$ane* ,a$ench!ma cells The s,ace allo(s o2!en7 nee*e* 5!

&he cell in &he $oo&s )o$ ae$o5ic $es,i$a&ion7 &o *i))+se easil! )$om &he s&em *o(n in&o &he $oo&

'n&e$cell+la$ s,aces a$e ,$ominen& The cells also allo( a )$ee mo8emen& o) (a&e$ in&o &he

2!lem 8essels The co$&e2 ma! also s&o$e s&a$ch as an ene$! $ese$8e )o$ &he ,lan&

Fo+n* a& &he cen&$e o) &he $oo& is a $o+, o) 8asc+la$ &iss+es main +, &he s&ele The

s&ele is com,$ise* o) &he ,e$ic!cle7 &he ,hloem an* &he 2!lem The ,e$ic!cle is a c!lin*e$

o),a$ench!mao$ scle$ench!macells &ha& lies %+s& insi*e &he en*o*e$misan* is &he o+&e$ mos&

,a$& o) &he s&eleo) ,lan&s The ,e$ic!cle is in8ol8e* in &he &$ans,o$& o) ma&e$ials &h$o+h &he

,lan& =!lem &iss+e con&ains 8essel elemen&s >essel elemen&s a$e *ea*7 em,&! cells (i&h

7/24/2019 Lab 6 Drawing of a Root Dicot Under a Light Microscope.

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lini)ie* si*e (alls an* no en* (all Linin is a 8e$! s&$on (a&e$ ,$oo) s+5s&ance >essels

alin &hemsel8es en* &o en* &o )o$m con&in+o+s &+5es allo(in (a&e$ &o )lo( in an +n5$oen

col+mn all &he (a! )o$m &he $oo& &o &he &o, o) &he ,lan& 'n a**i&ion &o &he &$ans,o$&a&ion o)

(a&e$ The 2!lem also ,$o8i*es s+,,o$& &o &he ,lan& as &hei$ lini)ie* (alls a$e s&$on

'n 8asc+la$ ,lan&s7 ,hloem is &he li8in &iss+e&ha& ca$$ies o$anic n+&$ien&s;no(n

as,ho&os!n&ha&e