Due to the COVID-19 pandemic, using alcohol-based hand sanit…

Due to the COVID-19 pandemic, using alcohol-based hand sanitizers has become a frequent part of our daily lives.  Which part of the SARS-CoV-2 (the virus that causes COVID-19) viral structure does alcohol in the hand sanitizer target? (2 points) What is this type of outcome called (sterilization, disinfection, antisepsis, or decontamination) and why? (3 points)    

The first line of defense could be represented as a castle w…

The first line of defense could be represented as a castle with massive stone walls and a moat; it consists of physical barriers (skin and mucous membranes) to keep intruders (pathogens) out. What happens when an intruder (a pathogen) sneaks in through the gate and makes its way inside the castle walls (inside the body)? The second line of defense steps in. Let’s say one part of the second line of defense is a dragon (phagocytes).  How are phagocytes like the dragon guarding a castle? (2 points) Describe the major steps of phagocytosis. (2 points) Name one type of phagocytic cell. (1 point)

Your friend tells you they are apprehensive to get the COVID…

Your friend tells you they are apprehensive to get the COVID-19 vaccine, because it’s an mRNA vaccine and they don’t quite understand how it works. They also are afraid it will make them sick, because they’ve heard a lot of people experience fever and aches after receiving the vaccine.  Based on what you’ve learned in microbiology so far,  Explain to your friend in detail how the mRNA vaccine for COVID-19 works (3 points) AND Explain why fever and aches are experienced by many people after receiving vaccines (2 points).  Write your response as if you are speaking directly to your friend.