Explain why proteins were initially hypothesized to be the genetic material instead of DNA. What will be an ideal response?
Genes were known to control the synthesis of proteins, so perhaps genes were proteins. In
addition, the large numbers of the 20 kinds of amino acids gave proteins the diversity and
complexity that would be necessary for genes to have.
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Four of the five animals listed below are related
Select the exception. a. sea star b. sea anemone c. sea urchin d. brittle star e. sea cucumber
A protein's function is most dependent on its ________
A) pH B) shape C) size D) weight
Which of the following statements about sexually transmitted diseases (STDs) is false?
A. The incidence of chlamydia has increased as gonorrhea has decreased. B. Chlamydia is known as the "silent STD." C. Because chlamydia has both bacterial and viral characteristics, it cannot be treated with antibiotics. D. Gonorrhea, syphilis, and chlamydia are all transmitted through sexual contact. E. Syphilis can be transmitted from a mother to her fetus.
The "Upright Man" who possibly evolved in East Africa, first appears in the fossil record about 1.6 million years ago, and was a wanderer or nomad
A) founder effect B) Homo Habilis C) Latin binomial D) Australopithecus Africanus E) convergent evolution F) Ardipithecus ramidus G) Neanderthals H) chimpanzees I) Homo erectus J) astragalus