The mitochondria present in the sperm provide
a. energy for the movement of the flagellum.
b. energy for the acrosome to penetrate the egg.
c. energy for the maturation of the sperm.
d. nutrients for the sperm.
e. nutrients for the developing embryo.
A
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A. DNA B. starch C. amylose D. cellulose
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a. mature science b. young science c. science that addresses speciation rates d. science practiced by environmentalists e. declining science
Which process is the driving force behind the movement of xylem sap upward through the tracheids and vessels in xylem?
1.Bulk flow 2.Osmosis 3.Plasmolysis 4.Transpiration
The chorion develops from a part of the blastocyst called the ____________________. Fill in the blank(s) with the appropriate word(s)