BIO 30 SJSU Exam 1 2024 questions
and answers
Your group is assigned to repeat Avery's experiments in BIOL 30 lab. You are given
plates of R cells and tubes of the extracted S factor. In which of the following cases
would you see the R cells be transformed into S cells.Add the S factor alon...
BIO 30 SJSU Exam 1 2024 questions
and answers
Your group is assigned to repeat Avery's experiments in BIOL 30 lab. You are given
plates of R cells and tubes of the extracted S factor. In which of the following cases
would you see the R cells be transformed into S cells.✔✔Add the S factor alone
Add the S factor + protease
Add the S factor + RNAase
All of the above EXCEPT when you add S factor + DNAase
What characteristics are important in the type of RNA that serves as the template for
protein translation?✔✔High turnover rate
Variety of sizes
Which form(s) of RNA are the most stable / long-lasting?✔✔rRNA
When comparing RNA from yeast and humans, which type of RNA do you expect to
be the most similar?✔✔rRNA
Under what conditions would you expect to find the highest levels of permease
protein in E. Coli?✔✔High lactose levels in the environment
Under what conditions would you expect to find the highest levels of LacI gene
product in E. Coli?✔✔Low lactose levels in the environment
What is the purpose of the first 24 proteins that are present in the translated ORF but
not in the mature insulin protein?✔✔Direct the protein to the rough endoplasmic
reticulum
What are the four main biomolecules?✔✔Carbohydrates
Lipids
Proteins
Nucleic Acids
Carbohydrates✔✔Sugars and polymers of sugars
Used as fuel and building material
Lipids✔✔Fats, Phospholipids, Steroids
Used as fuel, cell membrane components, signaling molecules
Proteins✔✔Made up of individual amino acids (20 amino acids)
Perform a wide range of functions: fuel, transport, cell signaling, enzymes, structural
Nucleic Acids✔✔Made of nucleotides that have a sugar, phosphate group, and
nitrogenous base
DNA and RNA
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