NATS 1670 MIDTERM 3, 2026/2027 ACTUAL
COMPREHENSIVE REAL VERIFIED EXAM QUESTIONS
AND CORRECT DETAILED ANSWERS ( VERIFIED
ANSWERS) ALREADY GRADED A+||NEWEST EXAM!!!
What influenza kill more people than the war? - Answer-
Spanish influenza
what percentgae people died from infection in 19th century
compared to 20th century - Answer-19th centure - 60%
20th centurey - 6%
what are the 3 reaosns infectious diseas will never leave -
Answer-1) drug resistant strain
2) outbreaks of existing disease
4) new disease causing agents
who uses the most amount of antibiotcs? - Answer-80% of
it is used by farmers
an example of superbug? - Answer-tuberculosis
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What is cross resistance? - Answer-Can occur between
antibactrial drugs that have similar actions (penicilin and
cephalosporins)
What features are part of CDC catgory A for bioterrsism
agent - Answer-- Easily disseminated transmitted
- high mortality
- Public panic and social disruption
- cost of coping iwht bioterrorism
What is the cell theory? - Answer-All living things are
composed of cells
light microscope - Answer-An optical instrument with
lenses that refract (bend) visible light to magnify images of
specimens.
what ilness caused 3rd world countries life expectancies to
decrease? - Answer-AIDS
Common illness in 3rd world countries - Answer-HIV
Tubercolisis
Maleria
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What is the primary function of microbes - Answer-to break
everything down
What vitmain do microbes create - Answer-Vitamin K
what percentage of infected people does ebola kill? -
Answer-90%
electron microscope - Answer-microscope that forms an
image by focusing beams of electrons onto a specimen
Is the head of a phospholipid hydrophilic or hydrophobic? -
Answer-hydrophilic and polar
Is the tail of a phospholipid hydrophilic or hydrophobic? -
Answer-Hydrophobic and non polar
signal transduction - Answer-A series of molecular
changes that converts a signal on a target cell's surface to
a specific response inside the cell.
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How are mitochondria similar to bacterial cell - Answer-1)
double membrane
2) circular DNA
3) genes without introns
4) small ribosomes
5) slimier size to prokaryotic cells
how do cells stop replicating? - Answer-Cells are able to
have cell - cell recognition ad stop growing when it is
touching other cellls
can virus make energy? - Answer-no
How fast are we copying, dividing, and making protein
using the DNA - Answer-at the speed of light
What is the process of from DNA to Phenotypes - Answer-
DNA - (transcription)- RNA - Translation)- Proteins -
Phenotypes
What is a rod shaped bacteria called? - Answer-bacillus