A pea plant with red flowers is test crossed; half of the resulting progeny have red flowers, whereas the other half have white flowers. The genotype of the test-crossed parent was
A) RR. B) rr. C) either RR or Rr. D) Rr.
D
Biology & Microbiology
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Both hydrophilic and charged molecules readily diffuse through the cytoplasmic membrane
Indicate whether the statement is true or false.
Biology & Microbiology
During the DNA replication process, which of the following organisms would have the fewest origins of replication per cell?
A. a Streptococcus bacterium. B. a yeast cell. C. a human. D. a young oak tree. E. a fruit fly.
Biology & Microbiology
Each end of a long bone is called a(n)
a. diaphysis. b. metaphysis. c. osteons. d. epiphysis. e. lacuna.
Biology & Microbiology
Which term includes sessile and pedunculated types of growth
a. polypoid b. cystic c. medullary d. verrucous e. necrotic
Biology & Microbiology