Osmosis can only occur if water travels through the?
What will be an ideal response?
Semi-permeable membrane
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The actin cytoskeleton is associated with which type of cell movement?
A. movement of cilia B. ameboid crawling C. transport of organelles within a cell D. Answers b and c are both correct.
Inbreeding is due primarily to
a. migration. b. non-random mating. c. mutation. d. natural selection. e. adaptive radiation.
What will happen by the end of the eighth week of development?
A. Limbs form, and paddles at their ends are sculpted into digits. B. The umbilical cord and the circulatory system develop. C. All of the organ systems will be formed, and apoptosis has eliminated the tail. D. The fetal heartbeat can be heard clearly through a stethoscope positioned on the mother’s abdomen. E. The fetus has begun not only to detect sounds but also to remember some of them.
Which organism is used to make Swiss cheese?
A. Saccharomyces cerevisiae B. Spirulina C. Leuconostoc mesenteroides D. Streptococcus lactis and Lactobacillus E. Propionibacterium