The scientist(s) who used an enzyme to destroy proteins to show that protein was not the genetic information transferred by bacteria was/were
A. Avery and Macleod.
B. Watson and Crick.
C. Griffith.
D. Hershey and Chase.
E. Wilkins and Franklin.
A. Avery and Macleod.
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The centromere
A. is a region of DNA where sister chromatids associate. B. is a group of proteins that attach to the kinetochore. C. is only present when chromosomes are highly compacted. D. is a group of proteins that attach to the mitotic spindle. E. is not present on the chromosomes of the daughter cells until the S phase.
In which location would the partial pressure of oxygen be the lowest?
a. inhaled air b. exhaled air c. alveoli d. pulmonary veins e. pulmonary arteries
Which of the following aspects of eukaryotic reproduction are found only among invertebrate animals?
A) sexual and asexual reproduction B) external and internal fertilization C) hermaphroditism and parthenogenesis D) fission and budding
Among eukaryotes, cell division involves _______ division and division of the _______.
Fill in the blank(s) with the appropriate word(s).