Cells, Mitosis & Meiosis

What are the "X" shaped things in the drawing.

• PMATs

• Chromosomes

• Ribosomes

• Telophase

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NGSS.HS-LS1-4

What is the purpose of Mitosis?

• Growth of an organism and Repair of damaged tissue

• To help the body get rid of extra cells

• To increase the amount of classwork you have to do

• To get rid of the nucleus

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NGSS.HS-LS1-4

What do the cells look like at the end of mitosis?

• different from original cell
• similar to the original cell
• identical to the original cell
• none of these

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NGSS.MS-LS3-2

CROSSING OVER INCREASES

• LIFE SPAN

• GENETIC VARIATION

• THE NUMBER OF OFF-SPRING

• ALL ARE TRUE

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NGSS.MS-LS3-2

NGSS.MS-LS4-4

A human usually has ______ chromosomes in their body cells.

• 6
• 22
• 4
• 46

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NGSS.MS-LS3-1

What causes genetic variation in meiosis?

• chromosomes lining up
• crossing over of chromosomes
• separation of chromosomes
• chromosomes pulling apart

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NGSS.MS-LS3-2

The basic building blacks from which all living organisms are made are

• cells

• DNA

• chromosomes

• Amoeba

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NGSS.MS-LS1-2

NGSS.MS-LS1-1

True or False: During Mitosis the nucleus divides in two

• True

• False

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NGSS.HS-LS1-4

Control center of cell, contains instructions for everything the cell does.

• Ribosomes

• Nucleus

• Endoplasmic Reticulum

• Mitochondria

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NGSS.MS-LS1-2

smallest unit of life

• Human

• Cell Wall

• Cell

• Plants

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NGSS.MS-LS1-2

NGSS.MS-LS1-1