Warm-up What is the difference between mitosis and cytokinesis? Get out Online Mitosis WS – to be turned in.

Warm-upWarm-up

What is the difference between mitosis and What is the difference between mitosis and cytokinesis?cytokinesis?

Get out Online Mitosis WS – to be turned inGet out Online Mitosis WS – to be turned in

Mitosis ReviewMitosis Review

1) Sister chromatids are attached 1) Sister chromatids are attached to each other at an area called to each other at an area called

the…the…

a.a. CentrioleCentriole

b.b. CentromereCentromere

c.c. SpindleSpindle

d.d. chromosomechromosome

2) At the beginning of cell division, 2) At the beginning of cell division, a chromosome consists of two…a chromosome consists of two…

A.A. CentromeresCentromeres

B.B. CentriolesCentrioles

C.C. ChromatidsChromatids

D.D. spindlesspindles

3) What phase of mitosis is seen 3) What phase of mitosis is seen below?below?

A.A. AnaphaseAnaphase

B.B. MetaphaseMetaphase

C.C. ProphaseProphase

D.D. telophasetelophase

4) The phase of mitosis which 4) The phase of mitosis which chromosomes become visible and chromosomes become visible and the centrioles separate from one the centrioles separate from one

another is….another is….

A.A. ProphaseProphase

B.B. AnaphaseAnaphase

C.C. MetaphaseMetaphase

D.D. TelophaseTelophase

5) The process by which a cell 5) The process by which a cell divides into two daughter cells is divides into two daughter cells is

called….called….

A.A. Cell divisionCell division

B.B. MetaphaseMetaphase

C.C. InterphaseInterphase

D.D. MitosisMitosis

6) Which event occurs during 6) Which event occurs during interphase?interphase?

A.A. The cell growsThe cell grows

B.B. Centrioles appearCentrioles appear

C.C. Spindle fibers begin to formSpindle fibers begin to form

D.D. Centromeres divideCentromeres divide

7) During which phase(s) of mitosis 7) During which phase(s) of mitosis are chromosomes visible?are chromosomes visible?

A.A. Anaphase and prophaseAnaphase and prophase

B.B. Prophase and metaphaseProphase and metaphase

C.C. Metaphase onlyMetaphase only

D.D. Anaphase and interphaseAnaphase and interphase

8) Which pair is correct?8) Which pair is correct?

A.A. G1 phase, DNA replicationG1 phase, DNA replication

B.B. G2 phase, preparation for mitosisG2 phase, preparation for mitosis

C.C. S phase, cell divisionS phase, cell division

D.D. M phase, cell growthM phase, cell growth

9) Which of the following 9) Which of the following represents the phases of represents the phases of mitosismitosis in in

their proper sequence?their proper sequence?

A.A. prophase, metaphase, anaphase, telophaseprophase, metaphase, anaphase, telophase

B. prophase, anaphase, metaphase, telophaseB. prophase, anaphase, metaphase, telophase

C. Interphase, prophase, telophase, metaphaseC. Interphase, prophase, telophase, metaphase

D. Prophase, cytokinesis, metaphase, anaphase, D. Prophase, cytokinesis, metaphase, anaphase, telophasetelophase

10) What is the role of the spindle 10) What is the role of the spindle fibers during mitosis?fibers during mitosis?

A.A. Duplicating DNADuplicating DNA

B.B. Breaks down nuclear membraneBreaks down nuclear membrane

C.C. They help separate chromosomesThey help separate chromosomes

D.D. Divides the cell in halfDivides the cell in half

11) What phase of mitosis is seen 11) What phase of mitosis is seen below?below?

A.A. AnaphaseAnaphase

B.B. MetaphaseMetaphase

C.C. ProphaseProphase

D.D. telophasetelophase

12) How were the onion cells 12) How were the onion cells viewed in our online assignment?viewed in our online assignment?

A.A. Compound microscopeCompound microscope

B.B. Naked eyeNaked eye

C.C. Light microscopeLight microscope

D.D. Electron microscopeElectron microscope

13) What phase of mitosis is seen 13) What phase of mitosis is seen below?below?

A.A. AnaphaseAnaphase

B.B. MetaphaseMetaphase

C.C. ProphaseProphase

D.D. telophasetelophase

14) What is the name of the 14) What is the name of the structure labeled X?structure labeled X?

A.A. Spindle fibersSpindle fibers

B.B. centriolecentriole

C.C. CentromereCentromere

D.D. chromosomechromosomeX

Answers- Answers- I am sure these would help I am sure these would help

1)1) BB2)2) CC3)3) DD4)4) AA5)5) DD6)6) AA7)7) BB8)8) BB9)9) AA

10) C10) C11) A11) A12) C12) C13) C13) C14) C14) C

I hope you got a 100%I hope you got a 100%

Homework:Homework:

Obj. 10.3Obj. 10.3

andand

Pg. 257 15- 20Pg. 257 15- 20

Quiz: Wed./Thurs. 10.1 and 10.2 notes (cell Quiz: Wed./Thurs. 10.1 and 10.2 notes (cell division and mitosis)division and mitosis)

Pg. 257 15- 20Pg. 257 15- 20

15)15)Describe how a cell’s chromosomes change as a cell Describe how a cell’s chromosomes change as a cell prepares to divide.prepares to divide.

16)16)What is the relationship between interphase and cell What is the relationship between interphase and cell division?division?

17)17)Summarize what happens during interphase.Summarize what happens during interphase.

18)18)Explaine how the following terms are related to one Explaine how the following terms are related to one another: DNA, centromere, chromosome, chromatidanother: DNA, centromere, chromosome, chromatid

19) List the following events in the correct 19) List the following events in the correct sequenc e, and describe what happens sequenc e, and describe what happens during each even: anaphase, metaphase, during each even: anaphase, metaphase, prophase, and telophaseprophase, and telophase

20) How does the number of chromosomes 20) How does the number of chromosomes in the two new cells compare with the in the two new cells compare with the number in the original cell at the end of cell number in the original cell at the end of cell division?division?