DNA Replication Flashcards

1
Q

nuclear membrane

A

it is doble and continuous with the endoplasmic reticulum . it contains pores on its walls

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2
Q

the nucleoplasm

A

nuclear sap which contains free nucleotide bases.

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3
Q

nucleolus

A

which manufactures and contains ribosomes RNA

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4
Q

the chromatin network

A

which contains DNA. the chromatin network later unwinds to form chromosomes

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5
Q

name 2 nuclear acids

A

DNA and RNA

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6
Q

what are nuclear acids made up of

A

made up of small units or monometers called nucleotides

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7
Q

what are nucleotides made up of

A

a nitrogenous base
a sugar potion deoxyribose in DNA, ribose in RNA
a phosphate potion

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8
Q

what is DNA within chloroplast called

A

chloroplastic DNA

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9
Q

what is nuclear DNA

A

the DNA within the nucleus is called nuclear DNA

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10
Q

what is extra nuclear DNA

A

small amounts of DNA are also found outside the nuclears

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11
Q

why is mitochondrial DNA important

A

IN helping us trace our ancestors.

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12
Q

what does nuclear DNA control

A

controls the synthesis manufactures of protein and it also controls synthesis of enzymes

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13
Q

what are enzymes

A

specialized proteins

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14
Q

what are the functions of enzymes

A

enzymes control all the metabolic activities within the cell e.g. cellular respiration

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15
Q

what can we summarize the first function of DNA

A

controls the structure and functioning of cells and thus the organism as a whole by controlling the manufacture of a proteine,including enzymes.

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16
Q

what is the function of the chloroplastic DNA and mtDNA

A

controls protein synthesis within these organelles themselves

17
Q

what is the second function of DNA

A

nuclear DNA also transmits characteristics from parent to offspring