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BIO 251 EXAM 2 | ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS | VERIFIED ANSWERS | ALREADY GRADED A+ | LATEST VERSIONS | WASHINGTON STATE UNIVERSITY WSU $24.99
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BIO 251 EXAM 2 | ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS | VERIFIED ANSWERS | ALREADY GRADED A+ | LATEST VERSIONS | WASHINGTON STATE UNIVERSITY WSU

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BIO 251 EXAM 2 | ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS | VERIFIED ANSWERS | ALREADY GRADED A+ | LATEST VERSIONS | WASHINGTON STATE UNIVERSITY WSU

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  • January 28, 2025
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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1/28/25, 8:54 PM BIO 251 EXAM 2 | ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS | VERIFIED ANSWERS | ALREADY GRADED A+ | L…




BIO 251 EXAM 2 | ACTUAL EXAM QUESTIONS
AND CORRECT ANSWERS | VERIFIED ANSWERS |
ALREADY GRADED A+ | LATEST VERSIONS |
WASHINGTON STATE UNIVERSITY WSU

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Terms in this set (99)


Which of the following b) the skin is the most common route for organisms to
statements about how the penetrate the body
skin prevents disease is
false?
a) salt in sweat retards
microbial growth
b) the skin is the most
common route for
organisms to penetrate
the body
c) oil glands on the skin
make it waterproof
d) native microbes that
live on your skin help
protect you from infection




https://quizlet.com/998442978/bio-251-exam-2-actual-exam-questions-and-correct-answers-verified-answers-already-graded-a-latest-versions-washi… 1/20

,1/28/25, 8:54 PM BIO 251 EXAM 2 | ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS | VERIFIED ANSWERS | ALREADY GRADED A+ | L…


This antimicrobial protein a) lysozyme
is found at high levels in
lacrimal secretions (tears)
a) lysozyme
b) defensins
c) sebum
d) C3b

Which component of the d) C3b
compliment system would
stimulate neutrophils to
phagocytize an attached
cell?
a) C5a
b) C5b
c) C3a
d) C3b

Which of the following c) a bacteria that can prevent C3b from binding to it
would prevent a microbe
from activating the
Alternative pathway of the
compliment system?
a) a bacteria that has an
enzyme that degrades
antibodies
b) a bacteria that has a
thick cell wall
c) a bacteria that can
prevent C3b from binding
to it
d) a bacteria that contain
no mannose




https://quizlet.com/998442978/bio-251-exam-2-actual-exam-questions-and-correct-answers-verified-answers-already-graded-a-latest-versions-washi… 2/20

, 1/28/25, 8:54 PM BIO 251 EXAM 2 | ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS | VERIFIED ANSWERS | ALREADY GRADED A+ | L…


Which of the following is a) melanin in the skin is toxic to a bacteria
NOT a feature of the skin
that allows it to serve as a
barrier to infection?
a) melanin in the skin is
toxic to a bacteria
b) sweat creates a sling
environment that prevents
non-halotolerant bacteria
from growing
c) tight junctions in
keratinocytes make the
skin waterproof
d) resident flora produce
bacteriocins

The immune system cell c) basophil
most commonly
associated with allergies
is:
a) neutrophil
b) eosinophil
c) basophil
d) macrophage

Which of the following c) peptidoglycan
would be an example of a
PAMP?
a) GaGs on the surface of
eukaryotic of a PAMP
b) C3b bound to bacteria
c) peptidoglycan
d) tissue factor

This cytokine is released interferon
by virally infected cells,
anti-viral



https://quizlet.com/998442978/bio-251-exam-2-actual-exam-questions-and-correct-answers-verified-answers-already-graded-a-latest-versions-washi… 3/20

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