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bio 101 exam 3 questions and answers
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bio 101 exam 3 questions and answers
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bio 101 exam 3 questions and answersa person's unique DNA is carried within the cells and tissues of - Answer-all of the
above
in normal DNA - Answer- a&t g&c
the complementary base pairs in a dna molecule are bonded by - Answer-hydrogen
most genes come in alternative forms called - Answer-alleles
the central dogma of molecular bio - Answer-dna is transcribed into rna, which is
translated into protein
the expression of a gene to form a polypeptide occurs in which two major steps -
Answer-transcription, translation
protein factory - Answer-ribosomes
genotype - Answer-the gene or genes related to physical features
a triplet codon located in - Answer-mRNA
LIST OF CODONS THAT CORRELATE EACH ONE WITH SPECIFIC AMINO ACID -
Answer-genetic code
regulating gene expression, anything that increases the binding of RNA polymerase to a
gene's promoter region is called - Answer-positive transcriptional control
a mutation involving add, subtract, substitution - Answer-point
dna mutations are caused by - Answer-all the above
animal cells have counters at the end of chromosomes called - Answer-telomeres
in bacteria, the genomic DNA is carried - Answer-in a singular circular chromosome
during s-phase, between G'S,each chromosome is - Answer-replicated
the gap 1, dna synthesis, and gap 2 are called - Answer-interphase
positive outcome of introduction errors during DNA replication - Answer-new mutations
created altered genes that can enter population and be acted upon by evolution
purpose of mitosis - Answer-to generate new, genetically identical cells
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