BIO 140 Exam 3 1. What is it called when an unfertilized egg develops into a mul
ID: 93120 • Letter: B
Question
BIO 140 Exam 3 1. What is it called when an unfertilized egg develops into a multicellular haploid organism? A. Fragmentation B. Budding C. Parthenogenesis D. Hermaphroditism 2. The process of sperm cell development is called what? A. Spermogamy B. Spermatogenesis C. Parthenogenesis D. Hermaphroditism 3. The bundle of enzymes at the head of a sperm cell is called the what? A. Flagellum B. Spermatogonium C. Acrosome D. Epididymis is known as the what? 4. The tail on the end of a sperm cel A. Flagellum B. Spermatogonium C. Acrosome D. Epididymis 5. Where are sperm cells stored in the testes? A. Flagellum B. Spermatogonium C. Acrosome D. Epididymis 6. Which hormone stimulates the Sertoli cells which are involved in spermatogenesis? A. FSH B. LH C. Testosterone D. Estrogen 7. Which hormone stimulates the interstitial cells which produce testosterone? A. FSH B. LH C. Testosterone D. Estrogen 8. What is the term for the production of egg cells? A. Ovulation B. Oviduct C. Oocytes D. OogenesisExplanation / Answer
(1)C.Parthenogenesis
Parthenogenesis is the reproduction without fertilization where an unfertilized egg develops into an embryo. Fragmentation is an asexual reproduction in which an organism is split into fragments and the fragments develop into individuals. In Budding a new organism develops from an outgrowth or bud.
(2)B. Spermatogenesis
(3)C.Acrosome
The acrosome of the sperm contains digestive enzymes
(4) A. Flagellum
(5)D. Epididymis
The epididymis is a tube located at the back of the testicles, it stores and carries sperm.
(6)A.FSH
follicle stimulating hormone acts on the Sertoli cells of the testes to stimulate sperm production (spermatogenesis).
(7)B. LH
LH (luteinizing hormone) stimulates the interstitial cells (Leydig) to secrete testosterone
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