Blog

Repressors and activators regulate gene expression at which level?

From where do enveloped viruses get their lipid envelope?

How does horizontal gene transfer contribute to the spread of antibiotic resistance?

  Except for the initiating fMet tRNA, what is the order of sites that tRNAs take through a ribosome?  

Dairy milk is a food product that is readily contaminated with bacterial growth. To minimize microbial numbers in milk to increase shelf life, while also preserving the proteins, lipids, and carbohydrates found in the milk, which of these is the most appropriate heat-based preservation method to use?

Match the mutation description to the best definition available.  Each example will have one best answer to select.

Gram-negative bacteria may not be as susceptible to cell wall inhibitors due to the presence of an outer membrane.  This is an example of

Which of the following antimicrobial measures is the removal of pathogens from living tissues?

Which of these viruses has the highest mutation rate?

How do viruses find the correct cell to facilitate viral replication?