Sporophyte makes haploid ________ by meiosis
Fill in the blank(s) with the appropriate word(s).
Answer: spores
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_________, which is released from ____________, acts on the ovaries and testes
A. Follicle-stimulating hormone; the anterior pituitary gland B. Luteinizing hormone; the posterior pituitary gland C. Estrogen; the anterior pituitary gland D. Testosterone; the posterior pituitary gland E. Vasopressin; the anterior pituitary gland
During parturtition, mechanical pressure
caused by the movement of the fetus through the uterus causes the release of ___ from the ___.
a. HCG---hypothalamus b. oxytocin---posterior pituitary c. oxytocin---hypothalamus d. HCG---posterior pituitary e. oxytocin---adrenal cortex
The figure is a photomicrograph of
a. a nucleus. b. a Golgi body. c. endoplasmic reticulum. d. a vacuole. e. a nucleoid.
The primary reason steroid hormones usually act slowly is that _____
Fill in the blank(s) with the appropriate word(s).