Energy
a. cannot be created.
b. cannot be destroyed.
c. cannot be created or destroyed.
d. can be created, but it cannot be destroyed.
e. can be created, and it can be destroyed.
C
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A contraceptive pill that continuously inhibits the release of gonadotropin-releasing hormone (GnRH) from the hypothalamus will _____
A) increase the production of estrogen and progesterone by the ovaries B) initiate ovulation C) reduce the secretion of luteinizing hormone (LH) and follicle-stimulating hormone (FSH) from the anterior pituitary gland D) stimulate the secretion of luteinizing hormone (LH) and follicle-stimulating hormone (FSH) from the posterior pituitary gland E) increase the flow phase of the menstrual cycle
According to Oparin's theory of the origin of life,
A. the atmosphere of primitive Earth was an oxidizing atmosphere. B. organic molecules were formed in the atmosphere and collected in the oceans. C. the first living things would have used sunlight for energy. D. All of these answers are true.
Which of the following hormones is produced in the ovaries?
a) estrogen b) vasopressin c) prolactin d) oxytocine
Two proteins, Rag-1 and Rag-2, catalyze VDJ recombination. Where would you expect these proteins to be expressed?
A. Bone marrow and thymus B. Blood serum C. Thyroid and parathyroid D. Thyroid only E. Bone marrow only