The majority of Drosophila embryo segments will become part of the ________ in an adult fly.

A. abdomen
B. thorax
C. head
D. head or thorax
E. bithorax complex


A. abdomen

Biology & Microbiology

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Which one of the following properties of water is primarily responsible for the ability of trees to draw water up from the roots to the leaves?

A. polarity B. density C. solvent capability D. high surface tension E. pH neutrality

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Nisin

A. is a food additive that blocks the growth of some gram positive bacteria. B. is a small amphiphilic peptide that disrupts membrane integrity and function. C. is a bacteriocin produced by some strains of Lactococcus lactis. D. All of the choices are correct.

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Which of these passes through the glomerulus without being filtered out of the blood?

a. potassium b. sodium c. hemoglobin d. chlorine

Biology & Microbiology

Which cells are alive at maturity?

a. sieve elements b. vessel members c. tracheids d. vessel members and tracheids e. sieve elements and vessel members

Biology & Microbiology