Which of the following best represents analogous structures?

A. the arm of a human and the leg of a human
B. the wing of a bat and the wing of a butterfly
C. the arm of a human and the wing of a bat
D. the wing of a butterfly and the wing of a bee


Answer: B

Biology & Microbiology

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What is a global impact of glacier recession?

a. lower crop yields b. increased precipitation c. rising sea levels d. fewer tropical storms

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The major site of gas exchange in the lungs is the ____

a. bronchi b. bronchioles c. larynx d. alveoli e. respiratory bronchioles

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Which type of mutation is possible thanks to the redundant nature of the genetic code?

A) silent B) missense C) nonsense D) frameshift E) splice site

Biology & Microbiology

Order the following regions of a gene from the most upstream region (1) to the most downstream region (5).1. -35 consensus sequence2. Pribnow box3. coding sequence4. rut site5. terminator

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology