What is meant by metabolism?
A) the body's ability to lose weight
B) the body's ability to maintain a constant temperature
C) all of the chemical reactions occurring in the body
D) the chemical reactions that create molecules in the body
C
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The morning-after pill works by ____
a. blocking ovulation or fertilization b. blocking passage of sperm through the female reproductive tract c. blocking passage of sperm through the male reproductive tract d. causing shedding of the endometrial lining and any implanted embryo e. increasing the effectiveness of the acrosomal reaction
Which habitat is most likely to be rich in fossils?
a. eroding hillsides b. deserts c. polar ice caps d. bed of former shallow sea e. rocky plateau
The cell cycle is necessary in order for new cells to replace damaged or dead cells. In which part of the cycle are new cells formed?
A. Growth B. DNA Synthesis C. Preparation for Division D. Mitosis
What parts of the transformation procedure are done to increase the competence of the bacterial cells?
a. treatment with calcium b. brief heat shock c. Using a microcentrifuge d. Adding LB to the tube