____________________ are rapidly dividing cells in the skin that take up pigment and die, pushing through the skin surface as a shaft of hair.
Fill in the blank(s) with the appropriate word(s).
Keratinocytes
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The use of arsenic compound Salvarsan as a treatment for syphilis is credited to
A. Ehrlich. B. Waksman. C. Chain. D. Fleming.
what type of infection is Cipro used for?
What will be an ideal response?
RNA differs from DNA in many ways, including
A. DNA contains deoxyribose and RNA contains ribose. B. DNA contains thymine and RNA contains uracil instead of thymine. C. All are correct. D. DNA is double stranded and RNA is single stranded. E. RNA can catalyze some chemical reactions and DNA cannot.
During cell division, it is essential that the genetic material be distributed equally to the two daughter cells. This is accomplished through the participation of which one of the following organelles?
A) centrioles B) ribosomes C) peroxisomes D) Golgi apparatus E) nucleolus