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Mr lim P1 > Cell Division > Flashcards

Cell Division Flashcards

1
Q

What is the smallest unit of life

A

Cell

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2
Q

What is the biggest organelle of a eukaryotic cell.

A

A nucleus

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3
Q

What is found in the nucleus

A

DNA

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4
Q

What is DNA and what does it stand for

A

DNA contains genetic material and it stands for DEOXY RIBO NUCLEIC ACID

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5
Q

What does DNA look like inside a nucleus

A

DNA looks like a double stranded of ladder and jumble up like a ball of yarn

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6
Q

What is genetic material

A

Genetic material are genes or traits that can be passed on from parents to offspring.

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7
Q

How does DNA grow and develop and reproduce

A

DNA reproduce through stages called INTERPHASE and MITOSIS

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8
Q

What happens during INTERPHASE

A

INTERPHASE is when DNA develops and goes through replication

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9
Q

What does REPLICATION mean

A

copy or dublicate

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10
Q

What happens during REPLICATION

A

DNA replicates itself and wrap up tightly and neatly into chromatid

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10
Q

What is a CHROMOSOME

A

When DNA wraps around a protein,it is called a hromosome

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10
Q

What is a chromatid

A

A DNA that is neatly wrap up (TWO CHROMATIN/singular:chromatids)

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11
Q

How many chromosomes do humans have?

A

Humans have 46 chromosomes

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12
Q

How many chromosomes does each parent pass on to their offspring

A

23 chromosomes from each parent

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13
Q

Each segment of DNA is known as a what

A

Gene

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14
Q

What does a gene contain

A

Genetic traits

15
Q

What happens during MITOSIS

A

During mitosis, Chromosomes go through 5 phases

16
Q

What are the 5 phases of mitosis

A

Ph 1: PROPHASE; Ph 2: METAPHASE; Ph 3:ANAPHASE; Ph 4: TELOPHASE; Ph 5:Cytokinesis

17
Q

What happens during each phase

A

Phase 1: PROPHASE-chromosomes appear

18
Q

What happens during each phase

A

Phase 2: METAPHASE-chromosomes line up

19
Q

What happens during each phase

A

Phase 3: ANAPHASE-chromosomes seperate

20
Q

What happens during each phase

A

Phase 4: TELOPHASE-chromosomes pinch

21
Q

What happens during each phase

A

Phase 5: Cytokinesis- two new daughter cells form

22
Q

How many chromosomes do human sex cells have

A

23 chromosomes in each sex cell (egg or sperm)

23
Q

How many chromosomes do human body cells have

A

4 chromosomes in each cell

24
Q

What do you call a cell with a full set of chromosomes(46)

A

a DIPLOID cell

25
Q

What do you call a cell

Mr lim P1 (4 decks)

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