Answer the following statements true (T) or false (F)
1. Arginine vasotocin is found in nonmammalian vertebrates and shares structural and functional properties with antidiuretic hormone and oxytocin. Because of this, it is generally thought that arginine vasotocin was the ancestoral posterior pituitary hormone in vertebrates.
2. Vitamin D is a hormone produced in part by exposure to sunlight.
3. If blood sodium levels rise sharply above normal limits the heart will release more atrial natriuretic peptide.
4. Juvenile hormone is a critical growth regulatory and maturity hormone in people.
5. A growth-hormone releasing hormone tumor in the brain could lead to stunted growth in children.
1. TRUE
2. TRUE
3. TRUE
4. FALSE
5. FALSE
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Which of the following statements concerning the corpus luteum is INCORRECT?
A. Secretions of the corpus luteum inhibit LH and FSH secretion. B. Secretions of the corpus luteum prepare the uterus for implantation of the embryo. C. Secretions of the corpus luteum prevent the maturation of primary oocytes. D. The major hormone secreted from the corpus luteum is progesterone. E. The major hormone secreted from the corpus luteum is estradiol.
Which of the following describes active immunity?
a. immunity caused by the body producing antibodies in response to an antigen b. immunity caused by exposure to a vaccination or other pathogen c. a naturally occurring immunity caused by genetic factors or physiology d. a type of immunity caused by an increase in white blood cell productivity
Quantitative inhibitors in plants are toxic secondary compounds, often causing herbivores to avoid their consumption
Indicate whether the statement is true or false
Mutations that are harmful to cells occur more frequently than those that benefit cells
Indicate whether the statement is true or false