let’s get started... why divide?cell cycle structure of chromosomes mitosismeiosis take a spin in...

Let’s get started . . .

Why Divide? Cell Cycle Structure of Chromosomes

Mitosis Meiosis Take a Spin in the Cycle

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Final Jeopardy

ATOM, not Eve

Final Jeopardy

If an atom contains 13 protons, 12 neutrons, and 13 electrons this would be

its atomic mass.

What is 25?

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Size; number

Cells do not increase in ________, they increase

in _________?

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What are growth, repair, replacement?

Name 2 solid reasons why cells have to divide.

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What is a cells growing to its max size triggers

cell division?

This triggers a cell to divide.

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What is it must duplicate its DNA?

What must a cell do before it can divide?

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What are Mitosis & Cytokinesis?

Cell division occurs in these 2 stages.

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What is interphase?

This must always begin the cell cycle.

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What are G1, S, and G2?

These are the 3 parts of interphase in the

correct order.

$600What are Prophase,

Metaphase, Anaphase, & Telophase and they

make up Mitosis?

These phases follow interphase in this specific order and make up what

we call this.

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What is the nucleus?

Mitosis is the division of this.

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What is the division of the cytoplasm and is not

considered a part of mitosis?

Cytokinesis is the division of this and is not considered a

part of this.

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What is the centromere?

This is the name for the area where 2

chromosomes connect.

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What is DNA?

Chromosomes are made up of this.

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What are chromatids?

Each chromosome is composed of 2 identical

“sister” _______.

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What is prophase?

In this phase chromosomes are first seen in the condensed form.

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Using the whiteboard, please correctly draw

and label a chromosome.

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What is the nucleus?

Mitosis is the division of this.

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What are Prophase, Metaphase, Anaphase,

and Telophase?

These are the 4 phases of Mitosis in the correct order.

$600What is to organize

fan-like spindles that separate the

chromosomes?

This is the job of the centrioles during mitosis.

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What is Metaphase?

In this phase the chromosomes line up

across the middle before being pulled

apart.

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What are interphase & cytokinesis?

These two things take place within the cell

cycle but are not considered part of

mitosis.

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What is sexual reproduction because it promotes diversity in

genes?Meiosis is essential for this type of

reproduction because it promotes this.

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What are egg and sperm?

The female and male gametes are called this.

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What is a zygote?

This is the name for a fertilized egg.

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What are 4 new and completely different

sperm or eggs?

The process of meiosis creates this many new sperm or

eggs.

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What are 80 chromosomes?

If an organism’s gametes contain 40 chromosomes

then its young will have this many total chromosomes.

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What is cancer?

Another name for uncontrolled cell

growth.

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What is cyclin?

This regulates the timing of the cell cycle

in eukaryotic organisms.

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What is haploid?

Term meaning to contain 1 set of chromosomes.

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What are homologous chromosomes?

Name for corresponding chromosomes each from the opposite sex parent.

$1000Mitosis=asexual repro, 1 cell producing 2 identical

cells, no exchange of genetic material

Meiosis=sexual repro, 2 cells producing 4 diff cells

These are 3 distinct differences between Mitosis & Meiosis.