The process by which a sperm and an egg are united is called _____________

Fill in the blank(s) with the appropriate word(s)


Answer: Fertilization

Biology & Microbiology

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An autotroph is likely to convert CO2 into reduced organic carbon in order to produce precursor metabolites.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Distinguish between manipulative experiments and natural experiments

What will be an ideal response?

Biology & Microbiology

T cells that bind to the antigen-MHC complexes of

dendritic cells become activated and later a. produce antibodies. b. become NK cells. c. bind to B macrophages activating them. d. differentiate into helper T cells and memory T cells. e. activate complement

Biology & Microbiology

What causes the furrow during cleavage?

A) It is a depression caused by the formation of a new cell wall. B) A ring of contractile protein fibers pinches the cell in two. C) Connecting proteins that had been binding adjacent cells together now dissolve. D) A loss of water occurs.

Biology & Microbiology