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Biology (9th grade) > Study Guide (DNA and RNA) #1 > Flashcards

Study Guide (DNA and RNA) #1 Flashcards

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1
Q

the basic chemical unit of a nucleic acid

A

nucleotide

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2
Q

transforming factor that alters pneumonia bacteria

A

DNA

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3
Q

the two kinds of nucleic acids

A

dna and rna

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4
Q

the three parts of every nucleotide

A

sugar phosphate base

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5
Q

a pair of these forms a rung in the DNA ladder

A

base

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6
Q

used to label DNA and protein in experiments

A

radioactive isotope

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7
Q

the component of a bacteriphage that enters the host cell

A

DNA

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8
Q

two alternating parts that form the nucleic acid backbone

A

sugar phosphate

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9
Q

the four bases in DNA

A

Adenine cytosine guanine thymine

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10
Q

the dna base complmentary to T

A

adenine

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11
Q

a virus that attacks bacteria

A

bacteriophage

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12
Q

the substance a phage leaves outside its host cell

A

protein

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13
Q

ribose in rna and deoxyribose in DNA

A

sugar

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14
Q

watson and crick deduced the structure of this molecule

A

dna

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15
Q

attacked by herpes virus

A

nerve cell

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16
Q

the dna base complementary to G

A

cytosine

17
Q

a bacterium attacked by T2 phages

A

E. coli

18
Q

the sequence of these encodes DNA information

A

base or nucleotide

19
Q

eukaryotic chromosomes consist of this and dna

A

protein

20
Q

the overall shape of a dna molecule

A

double helix

21
Q

machine used to separate particles of differenet weights

A

centrifuge

22
Q

links adjacent nucleotides in polynucleotide chain

A

covalent bond

23
Q

links a complementary pair of bases together

A

hydrogen bond

24
Q

the four bases in Rna

A

adenine cytosine guanine uracil

25
Q

rna base that is not in dna

A

uracil

26
Q

a polymer of nucleotides

A

polynucleotide or DNA or RNA

27
Q

causes cold sores, chickenpox, and other diseases

A

herpesvirus

Biology (9th grade) (17 decks)

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