- Study guides, Class notes & Summaries

what can restore a frameshift mutation? - another frameshift, microdeletion, and microinsertion A mutation in a particular gene that results in the premature halting of transcription (and, consequently, protein translation) is a___________ mutation. - nonsense Consider a mutation in which the change is from UAC to UAU. Both codons specify the amino acid tyrosine. Which type of point mutation is this? - Silent mutation A ʺpoint mutationʺ refers to mutations involving - a substitution, dele...

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10 pages

Written in 2023/2024

Grade A+

AmazingGrace

Which is one major difference between anaerobic and aerobic respiration? - Electron acceptor Fermentation has a relatively low ATP yield compared to aerobic respiration because - oxidative phosphorylation yields a lot of ATP. Aerobic respiration and anaerobic respiration use different ________________, while chemolithotrophs and chemoorganotrophs use different _________________. - electron acceptors / electron donors During fermentation, ______________ compounds both donate and accept elect...

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13 pages

Written in 2023/2024

Grade A+

AmazingGrace

Describe Koch's postulates and the significance of his experiment - Koch's postulates: with the use of anthrax provided a basis for Germ Theory. the experiment: extract blood from diseased individual grow culture put culture into healthy individual, develop disease extract this blood, culture it to show same results Describe the importance of Louis Pasteur and the significance of his swan-neck flask experiment - Disproved spontaneous generation (miasma) the swan-neck made contamination...

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11 pages

Written in 2023/2024

Grade A+

AmazingGrace

What are some properties of all cells? - Growth, metabolism, and evolution What are properties of some cells? - differentiation, communication, genetic exchange, motility What domain of life do marcroorganisms belong to? - Eukarya How did the diversity of life arise? - Through evolution Which encoding gene was/is slow to evolve? - The gene encoding the small ribosomal subunit in both eukarya (18S) and Bacteria/Archaea (16S) Which domain is archaea most closely related to? - Eukarya How is...

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25 pages

Written in 2023/2024

Grade A+

AmazingGrace

What is genetic engineering? - using in vitro techniques to alter genetic material in the lab What is recombinant DNA technology? - the artificial recombination of DNA from two organisms What are some basic techniques of genetic engineering? - DNA amplification electrophoesis nucleic acid hybridization molecular cloning expressing foreign genes targeted mutagenesis What is heterologous expression? - expressing a gene in a different host What is the polymerase chain reaction? - rapid a...

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17 pages

Written in 2023/2024

Grade A+

AmazingGrace

The person who described the "wee animalcules" was? - Antoni van Leeuwenhoek In what/which domain(s) of life is/are microorganisms represented? - Archaea, Bacteria, Eukarya Which of the following statements is correct? A. Microorganisms represent a much smaller amount of Earth's biomass than animals B. Microorganisms are significant in number, but not in overall biomass C. Microorganisms represent a much smaller amount of Earth's biomass than plants D. Microorganisms are significant co...

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14 pages

Written in 2023/2024

Grade A+

AmazingGrace

What are properties of all cells? - Growth Metabolism Evolution LUCA - Last universal common ancestor How do we decide how the phylogenetic tree is drawn? - Use ribosomes. All organisms have it and it has been the same for billions of years What are the domains? - Bacteria Archaea Eukarya What defines the domains of cells? - Their rRNA sequencing What domains are most closely related? - Archaea and eukarya What emerged from Archaea? - Eukarya How do we know kw when oxygen appeare...

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30 pages

Written in 2023/2024

Grade A+

AmazingGrace