ransom chapter 5
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What materials make up a DNA molecule? | sugar, phosphate, base
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| T/F When making a protein, copies of DNA are taken to the cytoplasm from the nucleus. | true
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| T/F When making proteins, a copy of DNA is fed through the mitochondria. | false - it's fed throught the ribosome.
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| Most genetic disorders are due to a dominant or recessive gene? | recessive
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| Incomplete dominance is when | each allele has a degree of influence
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| How many bases combine to make an amino acid? | three
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| In a DNA ladder, the sides of the ladder are composed of | alternating sugars and phosphates
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| In a DNA ladder, the rungs of the ladder are composed of | nucleotide bases
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| T/F Several genes can affect one trait. | true
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| T/F The environment can affect a person's traits. | true
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| Nucleotides combine to make | genes
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| The amount of adenine equals the amount of | thymine
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| The amount of cytosine equals the amount of | guanine
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| What are three types of mutations? | deletion, insertion, substitution
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| What is a mutagen? | anything that can cause a mutation
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| A gene consists of a string of | bases
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| We have certain _________ that repair mutations that occur in DNA molecules | enzymes
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| If a mutation occurs in the DNA of _____cells, it can be passed from one generation to the next | sex
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