Unit 1 DNA structure Flashcards

1
Q

Adenine (A)

A

Base that pairs with thymine in DNA (and uracil in RNA)

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2
Q

Antiparallel

A

Strands in DNA running in opposite directions

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3
Q

Base

A

A component of a DNA nucleotide

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4
Q

Chloroplast

A

Organelle in which the chemical reactions of photosynthesis occur

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5
Q

Chromosome

A

Structure that contains the genetic material of an organism encoded into DNA

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6
Q

Cytosine ( C )

A

Base that pairs with guanine in DNA

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7
Q

Deoxyribose

A

Five carbon sugar that is a component of a DNA nucleotide

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8
Q

Deoxyribonucleic acid

A

The molecule that holds the genetic code in living organisms

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9
Q

Double helix

A

Three-dimentional shape of a DNA molecule

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10
Q

Eukaryotic

A

Cell with a discrete nucleus

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11
Q

Guanine (G)

A

Base that pairs with cytosine in DNA

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12
Q

Hydrogen bond

A

Weak chemical bond joining complementary base pairs in DNA

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13
Q

Mitochrondria

A

Cell organelles in which the aerobic stages of respiration occur

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14
Q

Nucleotide

A

Component of DNA consisting of a deoxyribose sugar, a phosphate group and a base

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15
Q

Phosphate

A

Component of a DNA nucleotide represented by the letter P

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16
Q

Plasmid

A

Circular loop of genetic material found in prokaryotic organisms

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17
Q

Plasmid

A

Circular loop of genetic material found in prokaryotic organisms and some yeasts

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18
Q

Prokaryotic

A

Cell that has no discrete nucleus

19
Q

Protein

A

Large molecule made up from a chain of amino acids

20
Q

Sugar-phosphate backbone

A

Strongly bonded strand of DNA

21
Q

Thymine (T)

A

Base that pairs with adenine in DNA

22
Q

Peptide bond

A

Strrong bond that holds amino acids together

23
Q

Base that pairs with thymine in DNA (and uracil in RNA)

A

Adenine (A)

24
Q

Strands in DNA running in opposite directions

A

Antiparallel

25
A component of a DNA nucleotide
Base
26
Organelle in which the chemical reactions of photosynthesis occur
Chloroplast
27
Structure that contains the genetic material of an organism encoded into DNA
Chromosome
28
Base that pairs with guanine in DNA
Cytosine ( C )
29
Five carbon sugar that is a component of a DNA nucleotide
Deoxyribose
30
The molecule that holds the genetic code in living organisms
Deoxyribonucleic acid
31
Three-dimentional shape of a DNA molecule
Double helix
32
Cell with a discrete nucleus
Eukaryotic
33
Base that pairs with cytosine in DNA
Guanine (G)
34
Weak chemical bond joining complementary base pairs in DNA
Hydrogen bond
35
Cell organelles in which the aerobic stages of respiration occur
Mitochrondria
36
Component of DNA consisting of a deoxyribose sugar, a phosphate group and a base
Nucleotide
37
Component of a DNA nucleotide represented by the letter P
Phosphate
38
Circular loop of genetic material found in prokaryotic organisms
Plasmid
39
Circular loop of genetic material found in prokaryotic organisms and some yeasts
Plasmid
40
Cell that has no discrete nucleus
Prokaryotic
41
Large molecule made up from a chain of amino acids
Protein
42
Strongly bonded strand of DNA
Sugar-phosphate backbone
43
Base that pairs with adenine in DNA
Thymine (T)
44
Strrong bond that holds amino acids together
Peptide bond