If the concept of blending inheritance were true, would variation increase or decrease over time?
A. Increase
B. Decrease
C. stay the same
C
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Nitrogen fixation is an energy-yielding process.
Answer the following statement true (T) or false (F)
Figure 4.16
What is a main function of the structure in the accompanying figure labeled B?
A. It controls cell shape. B. It separates DNA during cell division. C. It helps nerve cells lengthen. D. It is found in hair. E. It helps regulate DNA replication.
What process produces genetic diversity through random distribution of chromosomes?
A) cytokinesis B) recombination C) crossing over D) alignment of the metaphase plate to one side instead of in the middle E) independent assortment
Enzymes that catalyze removal of carbon dioxide from a substrate are called
A. ligases. B. phosphotransferases. C. decarboxylases. D. aminotransferases. E. oxidoreductases.