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

Biology & Microbiology

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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?

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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.

Biology & Microbiology

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

Biology & Microbiology

During the process of muscle contraction, Ca2+ binds tropomyosin

____________________ Indicate whether the statement is true or false.

Biology & Microbiology