Which of the following would be homologous structures? 

A. the wing of a bird and the wing of a bee
B. the wing of a bee and the wing of a bat
C. the wing of a bat and the arm of a human
D. All of these answers are correct.


C. the wing of a bat and the arm of a human

Biology & Microbiology

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True or false: All introns have identical lengths and sequences

A. true B. false

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Explain the process of biological magnification. Where in the food chain do humans fit in, and how might biological magnification affect us?

What will be an ideal response?

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The products of light-dependent reactions of photosynthesis are ____

a. used in light-independent reactions b. complex carbohydrates and proteins c. stored in the vacuoles of the cell d. oxygen and glucose e. used in the light-independent reactions and stored in the vacuoles of the cell

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Which of the following is the endotoxin?

A. Hyaluronidase B. Streptokinase C. Lipopolysaccharide D. Collagenase E. Hemolysin

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