Docsity
Docsity

Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity


Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan


Guidelines and tips
Guidelines and tips

Cellular Transport and the Cell Cycle Exercise Answer key, Exercises of Biology

Chapter 8 Cellular Transport and the Cell Cycle study guide

Typology: Exercises

2020/2021
On special offer
30 Points
Discount

Limited-time offer


Uploaded on 04/20/2021

ekaashaah
ekaashaah 🇺🇸

4.4

(40)

274 documents

1 / 4

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
Cha pt-er '3 5
Name
Cellular Transport and the I
Cell Cycle
In your textbook, read about osmosis: diffusion of water.
Date Class
Section 8.1 Cellular Transport
Complete the table by checking the correct column for each statement.
Statement
1. Causes a celi to swell
2. Doesn't change the shape of a cell
--Causes osmosis �<.1-te:r t)c,J,."l'j . .f,i")rvi
-\-o \,,"w,\.. 1 )
Isotonic
Solution
lt>,J t 1
Hypotonic Hypertonic
Solution Solution
,..
l \ow) (_\,-;�\- 4. Causes a cell to shrink
fow
In your textbook, read about passive transport and active transport.
For each item in Column A, write the letter of the matching item in Column B.
d
f
ColumnA
5. Transport protein that provides a tubelike opening
in the plasma membrane through which particles
can diffuse c"'o1v,e,.i prcrt€'.I�
6. Is used during active transport but not
passive transport e0er5':1
7. Process by which a cell takes in materia! by forming
ColumnB
0nergy
@acilitated diffusion
G)ndocytosis
a vacuole around it endcc..ytosìc;;
0 passive transport
8. Particle movement from an area of higher concentration
to an area of_
lower concentration -pc>.'-S\"Q.. -\-,aN,;.y,or+
ctive transport
{!jeh. .-.d of)
9. Process by which a cell wastes from a vacuole
~ e.xocytoc,.\c.,
___ , h
'-"'--- 1 O. A form of passive transport that uses. t:fansport P,roteins
'¼o c.,\ ,·1-al:-oo èl', H u<;.',c,n©xocytosis
__ ...,e_J
,e_
__ 11. Particle movement from an area of lower concentration g. carrier protein
to an area of higher concentration ae:thie +,o/"\s.port
___ Q_
. .---- 12. Transport protein that changes shape when a particle
J
binds with it C.C'..ir ,'ier prc:.+ei"
hannel protein
UNIT 3 CHAPTER 8 Cellular Transport and the Celi Cycle 85
pf3
pf4
Discount

On special offer

Partial preview of the text

Download Cellular Transport and the Cell Cycle Exercise Answer key and more Exercises Biology in PDF only on Docsity!

Cha pt-er '3 5

Name

Cellular Transport and the I

Cell Cycle

In your textbook, read about osmosis: diffusion ofwater.

Date Class

Section 8.1 Cellular Transport

Complete the table by checking the correct column for each statement.

Statement

1. Causes a celi to swell 2. Doesn't change the shape ofa cell

-�- Causes osmosis �<.1-te:r t)c,J,."l'j

. .f,i")rvi - --o ,,"w,� .. 1 )

Isotonic

Solution

lt>,J t 1

Hypotonic Hypertonic

Solution Solution

✓ ✓

,..

l\ow) (_,-;�-

4. Causes a cell to shrink (^) ✓

fow

In your textbook, read about passive transport and active transport.

For each item in ColumnA, write the letter of the matching item in ColumnB.

d

f

ColumnA

5. Transport protein that provides a tubelike opening

in the plasma membrane through which particles

can diffuse c"'o1v,e,.i prcrt€'.I�

6. Is used during active transport but not

passive transport e0er5':

7. Process by which a cell takes in materia! by forming

ColumnB

0nergy

@acilitated diffusion

G)ndocytosis

a vacuole around it endcc..ytosìc;;

0 � passive transport

8. Particle movement from an area ofhigher concentration

to an area of

_

lower concentration

-pc>.'-S"Q.. --,aN,;.y,

or+

�ctive transport

{!jeh. .-.d of)

9. Process by which a cell� wastes from a vacuole ~

e.xocytoc,.\c.,

___,h '-"'-

-- 1 O. A form ofpassive transport that uses. t:fansport P,roteins

'¼o c.,\ ,·1-al:-oo èl', Hu<;.',c,n

©xocytosis

_...,e_J ,e

__ 11. Particle movement from an area oflower concentration g. carrier protein

to an area ofhigher concentration ae:thie +,o/"\s.port

__Q

.---- 12. Transport protein that changes shape when a particle

J

binds with it C.C'..ir ,'ier prc:.+ei"

�hannel protein

UNIT 3 CHAPTER^8 Cellular Transport and the Celi Cycle 85

:N"ame Date^ Class

Cellular Transport

and the Cell Cycle, continued

Section 8.2 Celi Growth and Reproduction

In _your textbook, read about cell size limitations.

Determine if the statement is true. If it is not, rewrite the italicized part to make it true.

1. Mostliving cells are between 2 and 200 μm in diarneter. :-:0.112, ls·, z.e , ,; kn,ttd 1.,

1

$\ir.fuce c1reci)

2. Diffusion ofrnaterials over long distance is 'M: -�S�\C�\J=.J

________________

3. Ifa celi doesn't have enough DNA to rnake all the proteins it needs, the celi cannot live.

e...

  1. As a cell's size increases, its volume increases rnuch slà(er than its surface area.

fo ç.· ,

�Ifa cell's diameter doubled, the cell would require

,ìXi times more nutrients and would have )!,;i,_

(Y tirnes rnore wastes to excrete.

__e�

ì-=-< 9

....h�t➔

;

�e�ì 9

.....h�+�-------------------

In _your textbook, read about cell reproduction.

Use each of the terms below just once to complete the passage.

nu�s gene�rial chro�omes

id�al chro� v�

The process by which two cells are produced frorn one cell is called (6) C.e\ dìvi�\ùf\

The two cells are (7) (^) ---�=c=e�n�--�·,c.�a�____ to the origina! cell. Early biologists observed that just

before celi division, severa! short, stringy structures appeared in the (8) --�O�l-./C�.\�e�u�s�-----

These structures seemed to (9) ___\J..,..,..O�O�\�S�h�------ soon after cell division. These structures,

which contain DNA and becarne darkly colored when stained, are now calied (10) (^) ç,hroov>f,Q(Te,!,;

Scientists eventualiy leamed that chromosornes carry (11) <

e.oe·t',ç.,., ma.--Q.fìuJ lD!':'A} which

is copied and pa �

sed on frorn generation to generation. Chrornosornes normaliy exist as

(12) -�Ch�f'._Q�n,a·

t'_1n_____ , long strands ofDNA wrapped a,round proteins. However, before

a cell divides, the chrornatin becornes tightly (13) ____,.p=a_c����----

86 CHAPTER 8 Cellular Transport and the Cell Cycle UNIT 3

Name Date Class

Cellular Transport

and the Cell Cycle, continued

Section 8.3 Contro/ of the Celi Cycle

In your textbook, read about normai contro! of the celi cycle and cancer.

Answer the following questions.

1. In what ways do enzymes control the cell cycle?

Errz'::1mes- a,e.. oeeckd -+o be. g

';a e,yy} dc'ivP H-,'1 LQ\ c'.f"k•.^ ·11--.e �

g\sc

d,cec.- (^) :the. :pbases

of tl-,e ce\ e �

d" {S.,bec(pobts)

2. What directs the production of these enzymes?

ge

aes. 7

ce rn�i\ s.egroea+s lReroero.ier:� eaz �

mes qre proie>)·:-)s & DIVA

  1. What can cause the cell cycle to become uncontrolled?

lacK o-f €Jì:t. ':r

ies. r,eeòe.d ·-o C.Ori'Tfç\ tbe çe.i I Ci f

Ì<: (c,hec.Kpo:,ts')

J

Q\ie�r•rcdudìOI"'\

1Jf tbo$k? eozyme�; oc prr<luc+ìno of otbec enz 'j

rops ai ::he u;

r- c,; �

kne a.\

cao cm1s.o -lbe cP\ < 'f le 'te, ,e,come u coY)kol\ed. l f\qsìcall� f4;\eò c.�qrKpcJr;'ls � (^) ;;

� lJDr-0aho11,.:d celi d,v)�ìca = caocc;;r)

4. What can restilt when the cell cycle becomes uncontrolled?

\lacof\ì,nìled, U.1',eguldled co\ d,o1ìS.ln0:: co,ve<

  1. What is the relationship between environmental factors and cancer?

C.erla\f'\ eovì�aoooea}al :fod:ors:-, �<;-ve- cg .scno(ì'"' 5

; po\utìro, & U V ro vs.,

caa dorooy 'ihe (^) ge.,,es -'no- rookol tbe producl::',oa ()t Poz r

es: \Ov0\wd

\n +be.. ce\ c..,vde ➔ uocont-r:n\i.Ò e.e\ dìvì<,.\c;;r-. ➔ cor:1cer

J

6. What is a tumor? Describe the final stages of cancer.

A Mas.i o'f b�c;.,.H:: La buoc·,,b ,..,ç ce\� cl.iro(>PÒ +·09e:ìb,u thot d;v,òed

7. Cancer is the second leading cause of death in the United States.. What four types of cancer are the

most prevalent?

Lvng, cr,\o", breas+, & p,cfutt:i·::e.

  1. CHAPTER 8 Cellular Transport and the Cell Cycle UNIT 3