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Exam (elaborations)

bio 101 exam 3 questions and answers

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  • Course
  • Biology 101
  • Institution
  • Biology 101

bio 101 exam 3 questions and answers

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  • November 11, 2024
  • 2
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Biology 101
  • Biology 101
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lectknancy
bio 101 exam 3 questions and answers
a 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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