Practice Questions

TLS Online TPP Program

#Question id: 4619

Within six months of effectively using methicillin to treat S. aureus infections in a community, all new S.aureus infections were caused by MRSA. How can this best be explained?

#Unit 11. Evolution and Behavior

A patient must have become infected with MRSA from another community.
In response to the drug, S. aureus began making drug-resistant versions of the protein targeted by the drug.
Some drug-resistant bacteria were present at the start of treatment, and natural selection increased their frequency.
S. aureus evolved to resist vaccines.

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TLS Online TPP Program

#Question id: 3459

#Unit 11. Evolution and Behavior

A vampire bat sharing blood with another bat that is not its kin is an example of ________.

TLS Online TPP Program

#Question id: 921

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following statements concerning the B oxidation of fatty acids is true?

TLS Online TPP Program

#Question id: 22972

#Unit 7. System Physiology – Animal

Parathyroid hormone stimulates calcitriol production in the kidney by increasing the synthesis of

TLS Online TPP Program

#Question id: 10244

#Unit 10. Ecological Principles

Ecological niche modelling is used to predict the distributions of species. As a general rule, which of the following statements is true?

TLS Online TPP Program

#Question id: 23049

#Unit 12. Applied Biology

Which of the following is not the process of remediation?