Which of the following provides the eye with its best defense against microorganisms?
A. Conjunctiva
B. Lymphocytes
C. Eyelids
D. Tears
E. Eyelashes
Answer: D
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Why are neocallimastigomycetes being studied for biofuel production?
A. They can ferment glucose into alcohol. B. They can release fermentable sugars from structural polysaccharides. C. They can generate methane. D. They provide energy to power fermentation. E. They can extract pollutants from biofuel starting materials.
The only antibody not secreted in significant amounts by B cells.
What will be an ideal response?
A fraction of the original green frog population survives to reproduce and generate a new population. If the survivors of the original population survived by chance, then this event is an example of
A. natural selection. B. industrial melanism. C. gene flow. D. genetic drift. E. founder effect.
What do genes consist of?
A) carbohydrates B) lipids C) proteins D) nucleic acids