BSC 101 Final Exam 3 Questions And
All Correct Answers 2025 Edition.
Structure of a typical viral particle? - Answer -nucleic acid with either DNA or RNA
-surronder by a capsized of protein
-sometimes embellishments (a viral envelope outside the capsid)
How do viruses infect cells? - Answer attach themselves to the host cell
-by injection of their nucleic acid into the host cell
-by the host cell engulfing the virus
Why is a virus considered "not" alive? - Answer -they lack the ability to reproduce/replicate
-so it is highjacking the cellular machinery inside the host cell to make its own protein
-acellular, and parasitic
-don't grow and divide on own
Different types of innate immunity? - Answer -skin
hair
cilia
-mucus membranes
-digestive enzymes
-stomach acidity
-inflammatory response
inflammatory response? - Answer -inflammation
-a response to trauma
-bacteria,fungal spores and/or viruses have a direct entry into your circulatory system
How pathogens are marked and destroyed when they invade the body? - Answer -antibodies
search for them in blood and breast milk and mark and destroy them by phagocytes before they
can infect cells
, How herd immunity works? - Answer -indirect form of protection from the infectious disease
that occurs when a large percent of a population has become immune to the infection
Why everyone who is medically capable should get vaccinated? - Answer -vaccinations have to
be at 95% of people or above in order for a disease to disappear
-not enough people are vaccinated to keep the diseases away
How fats are digested? - Answer -most fats have a long chain of carbons with hydrogen atoms
attached, digested by enzymes breaking the carbon bonds
How proteins are digested? - Answer -enzymes cleaving off amino acids from the larger
protein molecules
How carbohydrates are digested? - Answer -enzymes cleaving off simple sugars from larger
carb molecules
What causes type 2 diabetes and how it can be prevented? - Answer -insulin resistance
-insufficient insulin production by the pancreas
-prevented by lowering the sugar taken in
-maintaining a healthy weight
-exercising at least 30 min/day
Consequences of obesity? - Answer -heart disease, stroke, type 2 diabetes, cancer
-leading cause of preventable death
Structures of digestive system? - Answer -mouth
-pharynx
-esophagus
-stomach
-small intestine
-liver
-gall bladder
All Correct Answers 2025 Edition.
Structure of a typical viral particle? - Answer -nucleic acid with either DNA or RNA
-surronder by a capsized of protein
-sometimes embellishments (a viral envelope outside the capsid)
How do viruses infect cells? - Answer attach themselves to the host cell
-by injection of their nucleic acid into the host cell
-by the host cell engulfing the virus
Why is a virus considered "not" alive? - Answer -they lack the ability to reproduce/replicate
-so it is highjacking the cellular machinery inside the host cell to make its own protein
-acellular, and parasitic
-don't grow and divide on own
Different types of innate immunity? - Answer -skin
hair
cilia
-mucus membranes
-digestive enzymes
-stomach acidity
-inflammatory response
inflammatory response? - Answer -inflammation
-a response to trauma
-bacteria,fungal spores and/or viruses have a direct entry into your circulatory system
How pathogens are marked and destroyed when they invade the body? - Answer -antibodies
search for them in blood and breast milk and mark and destroy them by phagocytes before they
can infect cells
, How herd immunity works? - Answer -indirect form of protection from the infectious disease
that occurs when a large percent of a population has become immune to the infection
Why everyone who is medically capable should get vaccinated? - Answer -vaccinations have to
be at 95% of people or above in order for a disease to disappear
-not enough people are vaccinated to keep the diseases away
How fats are digested? - Answer -most fats have a long chain of carbons with hydrogen atoms
attached, digested by enzymes breaking the carbon bonds
How proteins are digested? - Answer -enzymes cleaving off amino acids from the larger
protein molecules
How carbohydrates are digested? - Answer -enzymes cleaving off simple sugars from larger
carb molecules
What causes type 2 diabetes and how it can be prevented? - Answer -insulin resistance
-insufficient insulin production by the pancreas
-prevented by lowering the sugar taken in
-maintaining a healthy weight
-exercising at least 30 min/day
Consequences of obesity? - Answer -heart disease, stroke, type 2 diabetes, cancer
-leading cause of preventable death
Structures of digestive system? - Answer -mouth
-pharynx
-esophagus
-stomach
-small intestine
-liver
-gall bladder
