_____ and _____ signals control the cell cycle
Fill in the blank(s) with the appropriate word(s).
internal
external
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The diploid garden pea plant has 14 chromosomes. The haploid fungus Neurospora crassa has 7 chromosomes. Neither organism has separate male and female individuals. Therefore, the number of linkage groups in these two organisms is
A) the garden pea has 14 linkage groups, and Neurospora has 7. B) the garden pea has 7 linkage groups, and Neurospora has 7. C) the garden pea has 8 linkage groups, and Neurospora has 8. D) the garden pea has 15 linkage groups, and Neurospora has 8.
If you were to study all of the insect-eating birds in a forest, you would see that many birds eat insects, yet you may
not see any evidence of competition. What is the most probable explanation?
a. The birds have coevolved. b. The birds are exhibiting resource partitioning. c. The birds are exhibiting intraspecific competition only. d. There is no keystone species in this community. e. There is not enough species richness to see evidence of competition.
Classification and taxonomy provide information and contribute to each of the following endeavors, except
A. tracing the origins of bacteria. B. identification of unknown species. C. enabling communication among scientists regarding the same and different species of microbes. D. the study of evolutionary relationships. E. selection of appropriate antibiotics.
Transcription takes place in three steps: initiation, elongation and termination
a. true b. false