Cytology Review Cytology Review DIRECTIONS Answer each of

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Cytology Review

Cytology Review

Cytology Review DIRECTIONS: Answer each of the following questions on the lines to the

Cytology Review DIRECTIONS: Answer each of the following questions on the lines to the right of the slide. AFTER you are done, check your answers with the answer key

• This is the name of the process where one cell divides into

• This is the name of the process where one cell divides into two? – An exact copy is made. (Hopefully) 1 Copyright © 2010 Ryan P. Murphy

This is an organized structure of DNA and protein that is found in cells.

This is an organized structure of DNA and protein that is found in cells. 6 2 Copyright © 2010 Ryan P. Murphy

• Name this phase of Mitosis. – Chromatin draws together to create chromosomes.

• Name this phase of Mitosis. – Chromatin draws together to create chromosomes. – Spindle fibers form. 3 Copyright © 2010 Ryan P. Murphy

• Name this phase of Mitosis. – Most of cell cycle (90%) –

• Name this phase of Mitosis. – Most of cell cycle (90%) – Cell grows and develops (gets bigger) – Chromosomes not visible – Nucleus intact – DNA is copied 4 Copyright © 2010 Ryan P. Murphy

This phase of mitosis (cellular division) is best represented by the image below? 5

This phase of mitosis (cellular division) is best represented by the image below? 5 7 Copyright © 2010 Ryan P. Murphy

• These structures help pull the chromosomes to opposite poles of the cell.

• These structures help pull the chromosomes to opposite poles of the cell. • A. ) DNA • B. ) Cytoplasm • C. ) Spindle Fibers / Microtubules • D. ) Membrane • E. ) None of the above. 6

• Name this phase of mitosis? – Nuclear envelope is not seen. –

• Name this phase of mitosis? – Nuclear envelope is not seen. – Centrosomes are positioned at opposite poles of the cell. – Spindle fibers pull chromatids to opposite sides of the cell. 7

• Name this phase of Mitosis? 8 – Chromosomes reaching poles. – Nuclear

• Name this phase of Mitosis? 8 – Chromosomes reaching poles. – Nuclear membrane begins to form. – Cleavage furrow forms pinching cell into two. – Chromosomes begin to unwrap.

9 Early Anaphase Late Anaphase

9 Early Anaphase Late Anaphase

• This is the term for when the cell breaks into two identical

• This is the term for when the cell breaks into two identical cells? 10

What is the organelle colored orange? It is the control center of the cell.

What is the organelle colored orange? It is the control center of the cell. 11 Copyright © 2010 Ryan P. Murphy

What is the organelle is the jelly stuff all other cells float around in?

What is the organelle is the jelly stuff all other cells float around in? It is light pink in the picture below. 12 Copyright © 2010 Ryan P. Murphy

All of the following are in plant cells EXCEPT ______? 13 A. ) Chloroplasts

All of the following are in plant cells EXCEPT ______? 13 A. ) Chloroplasts B. ) Mitochondria C. ) Cell Wall D. ) Centrioles E. ) Cell Membrane F. ) Nucelus Copyright © 2010 Ryan P. Murphy

Which TWO of the following are only in plant cells? A. ) Chloroplasts B.

Which TWO of the following are only in plant cells? A. ) Chloroplasts B. ) Cell Membrane C. ) Nucleus D. ) Centrioles E. ) Mitochondria F. ) Vacuoles G. ) Cell Wall H. ) Cytoplasm 14 and the answer is… Copyright © 2010 Ryan P. Murphy

Which organelle creates energy for the cell? 15

Which organelle creates energy for the cell? 15

What is the process of molecules moving in and out of cells? In a

What is the process of molecules moving in and out of cells? In a single male ejaculation 16

What is the name of the special kind of diffusion that involves the movement

What is the name of the special kind of diffusion that involves the movement of water? 17 Copyright © 2010 Ryan P. Murphy

This picture shows that BIG/SMALL molecules cannot enter a cell through the process of

This picture shows that BIG/SMALL molecules cannot enter a cell through the process of diffusion. 18 Copyright © 2010 Ryan P. Murphy

In diffusion, , molecules move from and area of HIGH / LOW concentration to

In diffusion, , molecules move from and area of HIGH / LOW concentration to an area of HIGH / LOW concentration. 19 Copyright © 2010 Ryan P. Murphy

20 The cell membrane is a _______-_______ membrane. This means that it allows some

20 The cell membrane is a _______-_______ membrane. This means that it allows some molecules into the cell, but not all. Copyright © 2010 Ryan P. Murphy

• Name this family. *21

• Name this family. *21

• Name this show. *22

• Name this show. *22

*23 Meet…

*23 Meet…

Name the movie. *24

Name the movie. *24

Name this family. *25

Name this family. *25

• Name this phase of Mitosis? – Chromosomes get split at centromere –

• Name this phase of Mitosis? – Chromosomes get split at centromere – The two identical copies get pulled apart Copyright © 2010 Ryan P. Murphy

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