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BIO 2C03 or BIOLOGY 2C03 – Genetics MIDTERM EXAM 1 ACTUAL QUESTIONS AND ANSWERS new update McMaster University CA$18.67   Add to cart

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BIO 2C03 or BIOLOGY 2C03 – Genetics MIDTERM EXAM 1 ACTUAL QUESTIONS AND ANSWERS new update McMaster University

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  • Course
  • BIOLOGY 2C03 – Genetics
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  • BIOLOGY 2C03 – Genetics

BIO 2C03 or BIOLOGY 2C03 – Genetics MIDTERM EXAM 1 ACTUAL QUESTIONS AND ANSWERS new update McMaster University

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  • October 4, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BIOLOGY 2C03 – Genetics
  • BIOLOGY 2C03 – Genetics
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BIO 2C03 or BIOLOGY 2C03 – Genetics MIDTERM
EXAM 1 ACTUAL QUESTIONS AND ANSWERS new
update McMaster University

,homologous pairs and a type of organism that doesn't have them - - carry genes for the same
traits

asexual organisms



special quality of mitochondria - - have their own DNA



what is archael bacteria - - ancestral bacteria in extreme environments



gametes in animals vs. plants - - animals: sperm and eggs

plants: pollen and eggs



who identified DNA as the hereditary material - - Avery, MacLeod and McCarty



LUCA and what it gave rise to - - Last Universal Common Ancestor

-gave rise to 3 domains of life (bacteria, eukarya, archaea)



why was rRNA used to establish relationships among organisms? - - it is common to all
organisms with ribosomes



which 2 domains of life are most closely related? - - eukarya and archaea



symbiosis relationships between bacteria and eukarya - - -bacteria (mitochondria) engulfed by
animal cell provided energy for the host cell

-plant cell engulfed chloroplasts

, 3 major branches of modern genetics and their definitions - - -transmission
genetics~transmission of traits through generations (Mendel)

-evolutionary genetics~origin and genetic relationships among organisms

-molecular genetics~inheritance and variation of nucleic acids, proteins and genomes



how DNA structure was determined - - x-rays that passed through the crystallized structure
were diffracted



Chargaff's Rule - - %A=%T and %C=%G



what links nucleotides? between which groups? - - phosphodiester bond between the 5'
phosphate group of one and the 3' hydroxyl group of another



what links complementary base pairs? - - hydrogen bonds



semiconservative replication - - parental strands separate, act as templates, and produce
molecules of DNA with one parental DNA strand and one new daughter strand



how does DNA replication begin - - hydrogen bonds between nitrogenous bases are broken and
DNA polymerase creates a new strand in the 5'-to-3' direction



central dogma of biology - - DNA-transcription-RNA-translation-protein



what is the only type of RNA that is translated? - - mRNA

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