Bio 105 midterm Exam 2024 |Questions & 100% Correct Answer
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Course
Bio 105
Institution
Bio 105
Genomics - - study of the complete set of DNA in an
organism - all the genes in a single organism
metagenomics - - study of the genetic material recovered directly from an environmental
or clinical sample
- using sequencing to identify all organisms present in a sample
- all the genes present ...
Bio 105 midterm Exam 2024 |Questions
& 100% Correct Answers
Genomics - ✔✔- study of the complete set of DNA in an
organism - all the genes in a single organism
metagenomics - ✔✔- study of the genetic material recovered directly from an environmental
or clinical sample
- using sequencing to identify all organisms present in a sample
- all the genes present in a location from all the organisms in that environment
microbiome genetic recovery - ✔✔DNA sequencing is the method by which we determine
the sequences of base pairs in DNA.
dysbiosis - ✔✔- Antibiotics, lifestyle changes, and illness may cause a state of imbalance in the
gut microbiota
- Decreased bacterial diversity
- Increase in bacterial pathogens
- Low levels of SCFA, anti-inflammatory cytokines
- Loose tight junctions
What is Joseph Leidy's A Flora and Fauna within Living Animals? - ✔✔A travel guide to the
Amazon rainforest
Fecal microbiota transfer involves - ✔✔The transfer of a healthy person's gut microbiome into
an individual with a gut related illness.
,Koch's postulates - ✔✔- prescribe a protocol to determine if a disease is caused by bacteria.
- To prove a particular agent causes a disease
- The pathogen can be isolated from a diseased organism.
- If you give the pathogen to a healthy organism, it will become sick.
- The pathogen is only found in diseased, not healthy, organisms.
Which of the following technologies emerged during the Golden Age of Microbiology? - ✔✔-
Bacterial fermentation
- Anaerobic culturing
- Germ-free mice
- Metagenomics
LUCA - ✔✔.LUCA was a common ancestor to all current life, but not the first form of life.
How did cyanobacteria transform Earth's atmosphere? - ✔✔by producing oxygen
Approximately when do we thinkeukaryotic cells appeared on Earth? - ✔✔2 billion years ago
Protein - ✔✔organic compounds that consist of chains of amino acids
lipid - ✔✔- organic compounds that consist of fatty acids and are insoluble in water including natural
oils, waxes, steroids
- fats
Carbohydrate - ✔✔- organic compounds that include sugar, starch, and
cellulose - energy (i.e sugars)
DNA - ✔✔organic compounds that consist of many linked nucleotides
, A cyanobacterium obtains its energy from what? - ✔✔photosynthesis
Archaea - ✔✔- closest relatives to eukaryotes
- archaea belong in this domain
- Unicellular microorganisms similar to, but evolutionarily distinct from, bacteria
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