The plasma membrane of the sea urchin egg _____
A) is outside of the fertilization membrane
B) releases calcium, which initiates the cortical reaction
C) has receptor molecules that are specific for binding acrosomal proteins
D) is a mesh of proteins crossing through the cytosol of the egg
C
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A controlled way of asking and answering unbiased questions about the world is called a(n) ____
Whats the term for this?
Plasmids
A. are essential for survival. B. are found in all bacteria. C. often carry genes controlling pathogenicity. D. are located in microcompartments. E. cannot be passed between organisms.
The water lattice illustrated in the figure above forms as a result of ____ between water molecules
a. covalent bonds b. hydrogen bonds c. nonpolar interactions d. ionic bonds e. van der Walls forces
During the process of muscle contraction, Ca2+ binds tropomyosin
____________________ Indicate whether the statement is true or false.