Bovine respiratory disease syndrome (BRDS), commonly called _____, is caused by a combination of respiratory bacteria, viruses, and _____.

Infertility and abortion in cattle can be caused by

Why is it extremely important to exercise caution when using balling guns, dose syringes, and stomach tubes in cattle?

Mad cow disease (bovine spongiform encephalopathy) is thought to have originated in what species?

What DNA damaging process leads to Hoogsteen base pairs?

Which of the following drugs inhibits dihydrofolate reductase to prevent purine and thymidylate synthesis, AND is used to treat bacterial infections?

Which of the following can correct thymine dimers in BOTH humans and bacteria?

Which of the following drugs inhibits type 2 topoisomerases to prevent DNA replication in bacteria?

At which of the indicated points in the scheme below does AMP NOT DIRECTLY act as a feedback inhibitor?

The starting material, intermediates and the product of the enzyme carbamoylphosphate synthetase are shown below. Using what you know about how molecules react and when ATP is generally needed, put the molecules in the order in which they are used/produced. Starting material: First intermediate: Second intermediate: Product: