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Human Anatomy/Science > 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

nucleus

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3
Q

what is found in the nucleus

A

DNA

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4
Q

what does DNA stand for and what is it

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 duplicate

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10
Q

what happens during replication

A

DNA replicates itself and wrap up tightly and neatly into a chromatid

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11
Q

what is a chromatid

A

a DNA that is neatly wrapped up (two chromatin/singular:chromatids

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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 does a human have

A

humans have 46 chromosomes

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14
Q

how many chromosomes does 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 a gene contain

A

genetic traits

17
Q

what happens during mitosis

A

during mitosis chromosomes go through 5 phases

18
Q

what are the 5 phases of mitosis

A

pro-phase, meta-phase, anaphase,telophase, cytokinesis

19
Q

what happens during each phase

A

Pro-phase: chromosomes appear

20
Q

what happens during each phase

A

Meta-phase: chromosomes line up

21
Q

what happens during each phase

A

Anaphase: chromosomes separate

22
Q
A

Human Anatomy/Science (7 decks)

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