_______________ are long, skinny appendages used for movement
Fill in the blank(s) with the appropriate word(s).
Ans: Flagellum
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Ocean acidification is caused by ____
a. global warming b. nitrogen fertilizer runoff c. phosphorous fertilizer runoff d. transfer of carbon dioxide from the atmosphere to the ocean e. transfer of carbon dioxide from the ocean to the atmosphere
Which of the following statements is FALSE?
a. Xylem conducts water and minerals upward in a plant. b. Cork cambium and vascular cambium are cells that form lateral meristems. c. Phloem conducts glucose. d. Phloem is formed on the inside of vascular cambium, whereas xylem is formed on the outside. e. All of these are true
How many gametes result from meiosis in a
female human?
a. 0 b. 1 c. 2 d. 3 e. 4
Which of the following must occur for a malignant tumor to form?
1.proto-oncogene converted to oncogene
2.failure of tumor suppressor gene
3.both proto-oncogene converted to oncogene and failure of tumor suppressor gene
4.none of the choices