Which of the following scientists studied ducklings and their reaction to him after hatching from their eggs?
A. Wilson
B. von Frisch
C. Tinbergen
D. Lorenz
Answer: D
Biology & Microbiology
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Glycolysis occurs in the ________
a. plasma membrane b. mitochondrial inner membrane c. cytoplasm d. mitochondrial matrix
Biology & Microbiology
A scientist discovers an unidentified organism that is composed of multiple cells and has a membrane-bound nucleus. Of the choices listed, the most likely classification would be ________
A) Archaea B) Bacteria C) fungi D) Any of the above could be correct.
Biology & Microbiology
Four of the following are features found exclusively among all vertebrates. Which one is the exception?
a. notochord
b. pharyngeal gill slits
c. four legs
d. post-anal tail
e. dorsal nerve cord
Biology & Microbiology
Why do some hormones need to trigger a "second messenger" to activate a target cell?
What will be an ideal response?
Biology & Microbiology