Oogenesis differs from spermatogenesis in ________
A) the number of functional gametes produced
B) when it is completed
C) the size of gametes produced
D) All of the above are true.
D
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_____ is a simple sugar (a monosaccharide)
a. Glucose d. Starch b. Sucrose e. Glucose and ribose c. Ribose f. Glucose, sucrose, and ribose
The tubelike structure that serves as the birth canal in the human female is the
A. cervix. B. vulva. C. vagina. D. uterus. E. uterine tube.
Brown algae that live along the rocky shores of the north temperate zones are able to withstand pounding tides and drying because of their holdfasts and the water-retaining material in their cell walls.
Answer the following statement true (T) or false (F)
Which of the following is true of viroids?
a. Viroids are typically extremely long and contain numerous genes. b. There are similarities between the base sequences of viroids and exons, resulting in the hypothesis that viroids evolved from exons. c. Viroid is the term for a virus that infects plants. d. Viroids are short pieces of naked RNA.