Which of the following relationships is INCORRECT?
A. maternal effect genes activate gap genes
B. segment polarity genes regulate pair-rule genes
C. maternal effect genes activate pair-rule genes
D. pair-rule genes regulate segment polarity genes
E. gap genes activate pair-rule genes
Answer: B
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During which phase of the cell cycle do chromosomes separate and move toward opposite poles?
a. prophase b. metaphase c. anaphase d. telophase
What is the period of rapid cell division in which the embryo does not increase in overall size?
A. syngamy B. cleavage C. neurulation D. meiosis E. crest formation
A viral infection can lead to the development of type I diabetes.
Answer the following statement true (T) or false (F)
In the metabolism of a fatty acid to obtain energy, one of the first steps is that the fatty acid is broken down to
A. acetyl. B. glycerol. C. glyceraldehyde-3-phosphate. D. a keto acid.