Unit 1 DNA structure Flashcards by Moray Biology

Q

Adenine (A)

A

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

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Q

Antiparallel

A

Strands in DNA running in opposite directions

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Q

Base

A

A component of a DNA nucleotide

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Q

Chloroplast

A

Organelle in which the chemical reactions of photosynthesis occur

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Q

Chromosome

A

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

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Q

Cytosine ( C )

A

Base that pairs with guanine in DNA

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Q

Deoxyribose

A

Five carbon sugar that is a component of a DNA nucleotide

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Q

Deoxyribonucleic acid

A

The molecule that holds the genetic code in living organisms

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Q

Double helix

A

Three-dimentional shape of a DNA molecule

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Q

Eukaryotic

A

Cell with a discrete nucleus

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Q

Guanine (G)

A

Base that pairs with cytosine in DNA

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Q

Hydrogen bond

A

Weak chemical bond joining complementary base pairs in DNA

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Q

Mitochrondria

A

Cell organelles in which the aerobic stages of respiration occur

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Q

Nucleotide

A

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

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Q

Phosphate

A

Component of a DNA nucleotide represented by the letter P

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Q

Plasmid

A

Circular loop of genetic material found in prokaryotic organisms

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Q

Plasmid

A

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

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Q

Prokaryotic

A

Cell that has no discrete nucleus

Q

Protein

A

Large molecule made up from a chain of amino acids

Q

Sugar-phosphate backbone

A

Strongly bonded strand of DNA

Q

Thymine (T)

A

Base that pairs with adenine in DNA

Q

Peptide bond

A

Strrong bond that holds amino acids together

Q

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

A

Adenine (A)

Q

Strands in DNA running in opposite directions

A

Antiparallel

Q

A component of a DNA nucleotide

A

Base

Q

Organelle in which the chemical reactions of photosynthesis occur

A

Chloroplast

Q

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

A

Chromosome

Q

Base that pairs with guanine in DNA

A

Cytosine ( C )

Q

Five carbon sugar that is a component of a DNA nucleotide

A

Deoxyribose

Q

The molecule that holds the genetic code in living organisms

A

Deoxyribonucleic acid

Q

Three-dimentional shape of a DNA molecule

A

Double helix

Q

Cell with a discrete nucleus

A

Eukaryotic

Q

Base that pairs with cytosine in DNA

A

Guanine (G)

Q

Weak chemical bond joining complementary base pairs in DNA

A

Hydrogen bond

Q

Cell organelles in which the aerobic stages of respiration occur

A

Mitochrondria

Q

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

A

Nucleotide

Q

Component of a DNA nucleotide represented by the letter P

A

Phosphate

Q

Circular loop of genetic material found in prokaryotic organisms

A

Plasmid

Q

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

A

Plasmid

Q

Cell that has no discrete nucleus

A

Prokaryotic

Q

Large molecule made up from a chain of amino acids

A

Protein

Q

Strongly bonded strand of DNA

A

Sugar-phosphate backbone

Q

Base that pairs with adenine in DNA

A

Thymine (T)

Q

Strrong bond that holds amino acids together

A

Peptide bond