5355 EXAM #1 with verified answers
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Transcription - CORRECT ANSWERS ✔✔synthesis of RNA
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from DNA |\
Transcription results in - CORRECT ANSWERS ✔✔mRNA
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RNA polymerase makes - CORRECT ANSWERS ✔✔mRNA
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mRNA - CORRECT ANSWERS ✔✔makes proteins
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RNA polymerase - CORRECT ANSWERS ✔✔binds to DNA
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Transcription factors (TFs) - CORRECT ANSWERS ✔✔A
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regulatory protein that binds to DNA and affects
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transcription of specific genes. Can wither activate or
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repress expression of genes
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Termination of transcription - CORRECT ANSWERS ✔✔RNA
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polymerase reaches a terminator sequence (Stop codon)
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and detaches from the template
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,Translation - CORRECT ANSWERS ✔✔Process by which
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mRNA is decoded and a protein is produced. Protein
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assembly
Translation takes place in the - CORRECT ANSWERS
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✔✔cytoplasm
Codon - CORRECT ANSWERS ✔✔A specific sequence of
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three bases on a strand of DNA or RNA that provides
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genetic code information for a amino acid
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Amino acids are - CORRECT ANSWERS ✔✔building blocks
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of proteins
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tRNA - CORRECT ANSWERS ✔✔An RNA molecule that
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functions as an interpreter between nucleic acid and
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protein language by picking up specific amino acids and
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recognizing the appropriate codons in the mRNA
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Codons allow - CORRECT ANSWERS ✔✔for DNA and RNA
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to communicate
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Gene Regulation - CORRECT ANSWERS ✔✔the process of
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turning genes on and off
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,Gene Regulation occurs - CORRECT ANSWERS ✔✔during
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transcription
Transcription factors (TFs) determine - CORRECT |\ |\ |\ |\ |\ |\
ANSWERS ✔✔amount of protein product made |\ |\ |\ |\ |\
Nucleotide - CORRECT ANSWERS ✔✔DNA subunit; 1 DNA,|\ |\ |\ |\ |\ |\ |\ |\
1 phosphate, 1 nitrogenous base
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Mutation - CORRECT ANSWERS ✔✔permanent change in a
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DNA /RNA sequence that affects genetic information
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germline mutation - CORRECT ANSWERS ✔✔happens in
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germ cells, inheritable, in all cells
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somatic mutation - CORRECT ANSWERS ✔✔A mutation
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that occurs in the body cells from spontaneous
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development. Cannot be inherited. Acquired |\ |\ |\ |\
causes of mutations - CORRECT ANSWERS ✔✔• Incorrect
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copying of the DNA sequence/ |\ |\ |\ |\
Environmental
•Exposure |\
, •Spontaneous
silent mutation - CORRECT ANSWERS ✔✔alters a base but
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does not change the amino acid
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DNA is - CORRECT ANSWERS ✔✔master blueprint for
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human being |\
Gene - CORRECT ANSWERS ✔✔the basic unit of
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inheritance
DNA makes - CORRECT ANSWERS ✔✔proteins
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Chromosomes - CORRECT ANSWERS ✔✔threadlike |\ |\ |\ |\ |\
structures made of DNA molecules that contain the genes
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23 pairs of - CORRECT ANSWERS ✔✔chromosomes
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Allele - CORRECT ANSWERS ✔✔variant of a gene
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A cell holds how many alleles of each gene? - CORRECT
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ANSWERS ✔✔2, one from mom and one from dad|\ |\ |\ |\ |\ |\ |\ |\