BSC 101 EXAM 1 2026 FINAL PAPER
PRACTICE QUESTIONS ANSWERS
ACCURATE A+
◉ explain how a virus infects a cell.
Answer: get nuclear acid inside host (attach & engulf), "stinger" and
injects.
◉ explain why a virus is not considered "alive".
Answer: acellular, not bacteria, can't reproduce and divide on our own!!!
NEED host cell
◉ Identify different types of innate immunity.
Answer: first line of defense, physical barrier (skin, nose, etc). immunity
that you're born with, can mount response without seeing disease before
◉ explain the inflammatory response.
Answer: if theres a cut or tear you have response to kill bacteria. swells
up- if warm it engulfs and kills bacteria. Adaptive immune- "memory"
when you're exposed once, cells remember next time and you get a
quicker response
◉ explain how pathogens are marked and destroyed when they invade
the body.
, Answer: antibodies specific to virus, antibody and antigen match, and
your body knows good or bad.
◉ explain how vaccinations can cause a secondary response.
Answer: give you a little of the virus, stimulate immune system
◉ explain how herd immunity works.
Answer: if everyone in room was vaccinated but I wasn't, chances of me
getting disease is lower because no one else is likely to get it.
◉ autoimmunity.
Answer: disfunction where it recognizes body or non harmful cells and
had response
ex: allergies, crohns, type 2 diabetes, etc.
◉ hygiene hypothesis.
Answer: so obsessed with being clean, do not expose ourselves to germs
that our bodies could handle before
◉ explain why everyone who is medically capable should get
vaccinated.
Answer:
◉ explain how fats, proteins, and carbohydrates are digested.
PRACTICE QUESTIONS ANSWERS
ACCURATE A+
◉ explain how a virus infects a cell.
Answer: get nuclear acid inside host (attach & engulf), "stinger" and
injects.
◉ explain why a virus is not considered "alive".
Answer: acellular, not bacteria, can't reproduce and divide on our own!!!
NEED host cell
◉ Identify different types of innate immunity.
Answer: first line of defense, physical barrier (skin, nose, etc). immunity
that you're born with, can mount response without seeing disease before
◉ explain the inflammatory response.
Answer: if theres a cut or tear you have response to kill bacteria. swells
up- if warm it engulfs and kills bacteria. Adaptive immune- "memory"
when you're exposed once, cells remember next time and you get a
quicker response
◉ explain how pathogens are marked and destroyed when they invade
the body.
, Answer: antibodies specific to virus, antibody and antigen match, and
your body knows good or bad.
◉ explain how vaccinations can cause a secondary response.
Answer: give you a little of the virus, stimulate immune system
◉ explain how herd immunity works.
Answer: if everyone in room was vaccinated but I wasn't, chances of me
getting disease is lower because no one else is likely to get it.
◉ autoimmunity.
Answer: disfunction where it recognizes body or non harmful cells and
had response
ex: allergies, crohns, type 2 diabetes, etc.
◉ hygiene hypothesis.
Answer: so obsessed with being clean, do not expose ourselves to germs
that our bodies could handle before
◉ explain why everyone who is medically capable should get
vaccinated.
Answer:
◉ explain how fats, proteins, and carbohydrates are digested.
