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Human anatomy > 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 deoxyriobonucleic Acid

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5
Q

what does DNA look like inside the nucleus

A

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

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6
Q

what is genetic material

A

Genetic material are genes of 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 inter phase and mitosis

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8
Q

what happens during inter phase

A

inter phase is when DNA develops and goes through replication

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9
Q

what does replication mean

A

copy or duplicate

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10
Q

what happens during replication

A

DNA replicates itself and wrap up tightly and neatly into chromatids

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11
Q

what is chromatids?

A

a DNA neatly wrapped up

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12
Q

what is a chromosome

A

when DNA wraps around a protein it is called a chromosome

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13
Q

how many chromosomes do humans have

A

humans have 46 chromosomes

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14
Q

how many chromosomes do each parent pass on to their offspring

A

23 chromosomes from each parent

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15
Q

each segment of DNA is known as a what

A

Gene

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16
Q

what does gene contain

A

Genetic traits

17
Q

what are the 5 phases of mitosis?

A

1.phrophase 2.metphase 3.anaphase 4.telophase 5.cytokenisis

17
Q

what happens during mitosis

A

during mitosis chromosomes go through 5 phases

18
Q

what happens during each phase

A

phase 1: prophase chromosomes start to appear

19
Q

what happens during each phase

A

phase 2: metaphase chromosomes line up

20
Q

what happens during each phase

A

phase 3: anaphase chromosomes separate

21
Q

what happens during each phase

A
22
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what happens during each phase

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Human anatomy (5 decks)

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