Which protein is defective in cases of Duchenne muscular dystrophy?
a. dystrophin
b. albumin
c. fibrillin
d. fibrinogen
e. fibrin
A
Biology & Microbiology
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Puppies born too large experience difficulties during birthing and tend to have respiratory and other problems. Puppies born too small often can’t compete with their siblings for their mother’s milk. Thus, puppies of intermediate size have a survival advantage. This is an example of ____ selection.
a. directional b. stabilizing c. disruptive d. frequency e. allelic
Biology & Microbiology
In a lichen, ________ produce sugars for the fungal partner
Fill in the blank(s) with correct word
Biology & Microbiology
Which of the following is a trace mineral?
A) iodine B) sodium C) phosphorus D) sulfur
Biology & Microbiology
The Calvin cycle produces ________, not __________.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology