In 1928, Frederick Griffith's experiments with Streptococcus pneumoniae suggested that
A) bacteria do not incorporate the DNA of other bacteria.
B) attenuated R (rough) bacteria easily revert to the wild type (virulent).
C) RNA was the genetic material.
D) heat-killed bacteria could somehow "transform" live bacteria.
E) protein was the genetic material.
Answer: D
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Ligaments are connective tissues that connect _____ to _____ across a joint.
A. muscle; muscle B. muscle; bone C. tendons; bone D. bone; bone E. cartilage; bone
Removing the terminal bud of a plant that shows apical dominance will cause
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A biomedical researcher isolated some myeloid progenitor from a healthy volunteer. What cells can be developed from these myeloid progenitors?
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