Modern classification is based on:
a. physiology
b. fossils
c. phylogeny
c. morphologenics
Ans: c. morphologenics
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Which organism causes the highest number of sexually transmitted diseases each year?
A) Neisseria gonorrhoeae B) Treponema pallidum C) Chlamydia trachomatis D) Trichomonas vaginalis
Which of the following tissues contain dead cells at maturity?
a. cork b. epidermis c. parenchyma d. phloem
Which is a correct description of hormone action?
A. FSH stimulates Leydig cells in the testes. B. LH stimulates Sertoli cells in the testes. C. Testosterone stimulates corpus luteum. D. GnRH stimulates the anterior pituitary gland. E. Testosterone regulates LH and FSH in a positive feedback loop.
Which term is commonly used to describe the production of valuable proteins in genetically modified plants and animals?
A) biopharming B) culturing C) genetiproduction D) faunafarming E) aniplafarming