BIO 203 PURDUE EXAM 1 NEWEST 2025/2026 NEWEST
ACTUAL EXAM WITH COMPLETE QUESTIONS AND
VERIFIED ANSWERS |ALREADY GRADED A+|
The mitotic spindle is attached at each end to two poles formed
by the
a. ribosomes
b. centrosomes
c. phagosomes
d. lysosomes - ANSWER-b. centrosomes
Which is considered the normal pH of blood
a. 6.4
b. 8.0
c. 7.0
d. 7.4 - ANSWER-d. 7.4
The LAST step in the catabolism of fats is
a. hydrolysis to fatty acids and glycerol
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b. glycogenolysis
c. conversion to triglycerides
d. formation of acetyl-CoA - ANSWER-d. formation of acetyl-CoA
Identify the incorrect statement
a. failure of apoptosis can lead to formation of a tumor
b. in human adults, fully differentiated neurons do not divide
c. nuclear pores allow proteins to enter the nucleus from the
cytoplasm
d. chromosomes consist of paired chromatids during G1 phase -
ANSWER-d. chromosomes consist of paired chromatids during
G1 phase
Cell that is part of the immune system and is found in the
epidermis (BEST answer)
a. keratinocyte
b. fibroblast
c. melanocyte
d. Langerhans - ANSWER-d. Langerhans
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Which of the following would be an example of negative feedback
a. increase in heat production when body temperature rises
b. sweating in response to an increase of body temperature
c. excretion of acid when the pH of the body fluids rises
d. excretion of alkali when there is a fall in pH of body fluids -
ANSWER-b. sweating in response to an increase of body
temperature
Lubricin is secreted by
a. dendritic cells
b. fibroblast like synoviocytes
c. mast cells
d. macrophages - ANSWER-b. fibroblast like synoviocytes
Which is WRONG
a. the hypodermis contains numerous adipocytes
b. the dermis contains blood vessels and nerves