Which of the following changes takes place during the first trimester of a woman's pregnancy?
О
A. The fetus begins rhythmic breathing movements.
B. The mother feels the fetus move for the first time.
C. The fetus develops hands and feet.
Ο Ο
D. The fetus develops toenails, lips, and eyelashes.

Explain why phospholipid molecules form a bilayer. (3 marks)

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.

Solutions to environmental problems in europe must