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National 5 Biology > DNA and the production of proteins > Flashcards

DNA and the production of proteins Flashcards

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1
Q

what is DNA ?

A

Deoxyribonucleic acid. a molecule found in all life on earth.

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2
Q

what is genetic code?

A

The sequence of bases on a DNA molecule that is different for all living things.

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3
Q

what is double stranded?

A

each DNA molecule is compose of two strands.

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4
Q

what is helix?

A

the twisted shape of the DNA molecule.

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5
Q

what is complementary ?

A

only A matches with T with G.

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6
Q

what is base?

A

the part of DNA that forms the genetic code.

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7
Q

what is Adenine ?

A

it base in DNA.

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8
Q

what is Thymine ?

A

it a base in DNA.

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9
Q

what is is Guanine?

A

it a base in DNA.

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10
Q

what is Cytosine?

A

it is base in DNA

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11
Q

what is gene?

A

A section of DNA that codes for a protein.

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12
Q

what is mRNA?

A

A molecule which carries a complementary cope of the genetic code from the DNA, in the nucleus, to as ribosome .

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13
Q

what go with Adenine ?

A

it is Thymine

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14
Q

what go with cytosine ?

A

it is Guanine .

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15
Q

where is chromosome are located?

A

in the nucleus of plant , animal and fungal cells. bacteria have one single circular chromosome and plasmids.

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16
Q

what is twisted shape of DNA is called?

A

it is call double helix.

17
Q

what is complementary cope?

A

it part of DNA gene is made in the nucleus , this is called messenger RNA (mRNA).

18
Q

where dose mRNA go to ?

A

it travels to a ribosome to determine the order of amino acids used.

19
Q

what dose m stand for in mRNA?

A

it stand for messenger.

20
Q

describe the role of the mRNA in making proteins?

A

mRNA copy the order in DNA code then leaves the nucleus and travels to the ribosome . ribosome the amino acids are placed in the correct order . the amino acids are linked together to from a protein.

National 5 Biology (6 decks)

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