Which source of information would be the LEAST reliable as to whether or not a vitamin supplement actually causes strength gains? A)
medical journal
B)
newspaper article summarizing medical findings
(9)
advertisement from the company that makes the vitamins
D)
presentation on the vitamin's effects, by a professor of biochemistry

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link:

the correct answer to this question is #5

the answers are as following:

1. c. double helix, nucleosome, coil, supercoil, chromosome

2. b. g2 phase, preparation for mitosis

3. d. interphase consists of the g1, s, and g2 phases

4. c. metaphase

5. a. chromosomes are duplicated before cell division so that each new daughter cell has a complete set