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30 Cards in this Set
- Front
- Back
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________ controls the productions of ________ within the cell |
DNA and protiens |
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In turn theses ________ form the structural units of ________ and control all _________ ________ within the cell |
Protiens and cells and chemical processes |
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__________ are building blocks for an organism. |
Protiens |
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The ________ that will be made for your body are determined by the sequence of _________ in the nucleus |
Protiens and DNA |
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Chromosomes are composed of ________ which are composed of the protien called ________ |
Genes and DNA |
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A ________ is a segment of DNA that codes for a particular ________ which codes for a particular _________ |
Gene and protien and trait |
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DNA is also found in _______ and __________ |
Mitochondria and chloroplasts |
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__________ _________ and __________ __________ are credited with discovering the structure of DNA |
James Watson and Francis Crick |
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What is meant by a double helix |
A twisted ladder (DNA) |
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Name the pentose sugar in DNA |
Deoxyribose |
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The sides of DNA are made of _________ and __________ |
Alternating sugar and phosphate molecules |
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The rungs of DNA are made up of 4 _____________ __________: A represents _________, G represents ________, T represents __________, and C represents ____________ |
Nitrogen bases and adenine and guanine and thymine and cytosine |
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What will pair with adenine |
Thymine |
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What will pair with guanine |
Cytosine |
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The bases attach to the sides of the ladder at the sugars and not the phosphate |
Yep |
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Nucleotides are made of a pentose called (sugar) __________ a _________ which links the sugars together and a nitrogen conyaining __________ |
Deoxyribose and phosphate and bases |
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Name 2 bases with double C-N rings |
A and G (adenine and guanine) |
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Name 2 bases with single C-N rings |
T and C |
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_________ bonds between bases must be broken to copy DNA allowing the DNA to unzip |
Hydrogen |
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Copying DNA to make two identical DNA molecules is called ________ |
Replicate |
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The sequence of ________ in ______ determine which __________ is to be made |
Bases and DNA and protien |
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________ not DNA can leave the nucleus through ________ in the nuclear envelope |
mRNA and pores |
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__________ __________ takes the message of the DNA to the ribosomes to tell them what ________ are to be made |
Messenger RNA and protiens |
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Protiens are made at the ________ |
Ribosome |
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mRNA has a _________ strand of nucleotides |
Single |
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The base ________ is not present on mRNA |
thymine |
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_________ replaces ________ on RNA |
Uracil and thymine |
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________ is the pentose sugar on RNA |
Ribose |
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_________ are the coding segments of DNA |
Exons |
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__________ are non-coding segments of DNA |
Introns |
