Diffusion of water through a semipermeable membrane is called ________.

A. endocytosis
B. active transport
C. osmosis
D. facilitated diffusion
E. diffusion


Answer: C

Biology & Microbiology

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An application of pharmacogenomics is the study of ____ for determining the appropriate dosages of certain drugs in

specific patients.

a. drug metabolism genes b. body size c. blood volume d. trial and error methods e. drug interactions

Biology & Microbiology

The vascular bundles of dicots separate the ground

tissue into two zones. Which of the following correctly describes the arrangement of these zones from outside to in? a. outermost xylem >>> phloem >>> pith >>> cortex b. outermost phloem >>> xylem >>> pith >>> cortex c. outermost cortex >>> phloem >>> xylem >>> pith d. outermost pith >>> phloem >>> xylem >>> cortex e. outermost cortex >>> xylem >>> phloem >>> pith

Biology & Microbiology

What is the name of the procedure in which in vitro fertilization is performed and disease- free embryos are implanted into a womb?

A) Preimplantation genetic testing B) Chronic villus sampling C) In vivo testing D) Amniocentesis E) RFLP screening

Biology & Microbiology

What is different from one DNA nucleotide to the next?

A) The sugar molecule B) The phosphate group C) The base D) The protein

Biology & Microbiology