Sterile refers to ________.
A. pathogen-free
B. homogenized
C. absence of spores
D. pasteurized
E. absence of any life forms and viral particles
Answer: E
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Peroxisomes
A) are not derived from the endoplasmic reticulum. B) are bounded by double membranes. C) possess acid phosphatase activity. D) possess amylase activity. E) all of the above
Only yeast produce alcohol as a fermentation product.
Answer the following statement true (T) or false (F)
Which of the following will occur when a plant is placed into a hypotonic solution?
A. It will wilt. B. Some of its cells will burst. C. Turgor prevents more water from entering the cells. D. Water is actively pumped out of the cells. E. Elastic fibers in the cell walls enable plant cells to stretch and accommodate more water.
Why do you NOT need to memorize the type of ion each atom tends to form
a) Because this information is spelled out in the periodic table. b) Because this is more science than the non-science major needs to know. c) Because this information is readily available on the Internet. d) Because the type of ion an atom forms depends on the environmental conditions.