Reproductive isolating mechanisms are divided into categories based on when they act. ____ isolating factors prevent fertilization from taking place; ____ isolating factors result in failure of the fertilized egg to develop into a fertile individual

Fill in the blank with the appropriate word.


Pre-zygotic, post-zygotic

Biology & Microbiology

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Complement proteins can form a system of proteins that create a pore in the membranes of bacteria. This system is

called the ____________________. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Explain and differentiate among the molecular bases of codominance, incomplete dominance, and complete dominance

What will be an ideal response?

Biology & Microbiology

The chemistry of living systems representing all chemical reactions is called

A. anabolism. B. metabolism. C. catabolism. D. thermodynamics. E. enzymology.

Biology & Microbiology

RNA polymerase is primarily responsible for

A. DNA replication. B. translation. C. transcription. D. transformation. E. polyadenylation.

Biology & Microbiology