If Escherichia coli in the appendix enters the abdominal cavity and becomes pathogenic, this is an example of how a __________________________ can lead to an infection. 

Fill in the blank: _______________ contain hydrolytic enzymes that break down substances engulfed by the cell. Hint: These are involved in the process of phagocytosis.

Which of the following structures help bacteria adhere to surfaces? Select all that apply.

True/False: Opportunistic pathogens can cause disease in any host under any circumstance. 

Which of the following cellular structures is found only in Eukaryotes? 

Fill in the blanks: The final product of transcription is __________, which is then translated into a _______________.

Fill in the blanks: Evidence that supports the Endosymbiotic theory include that mitochondria and chloroplast have __________-membrane structures and _____ ribosomes.

Fill in the blank: Key mechanisms of horizontal gene transfer include all of the following except _______________.

Fill in the blank: Indirect contact transmission does not include__________.

You are viewing a single-celled organism under the microscope. It has a cell wall, is unicellular, it has a nucleus, is nonmotile, and does not have chloroplasts. In what kingdom would this organism most likely be classified?