20. Involves protein channels diffusion and endocytosis
facilitated and molecular pumps
O facilitated and exocytosis
O Molecular and diffusion

Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells

The human genome project is devoted to mapping the general dna sequence of our species. this could lead to the development of new medicines, as well as the possibility of using gene therapy to treat certain diseases. however, there are some ethical issues surrounding the mapping of individual genomes. one concern is a) that your genes may change over time, making the project useless. b) that insurance companies could discriminate based on genetic make-up. c) that since this has never been done before, we should probably not do it now. d) that sequencing our individual genomes is so expensive, it is a counter-productive strategy.

What surprised you about the position of the letter e when you looked at it under the microscope? practice what did the microscope do to the letter e? remember that the letter e was in readable position when place on the microscope stage.