In India, golden jackals that have been expelled from their pack have been known to attach themselves to a particular tiger, trailing it at a safe distance in order to feed on the big cat's kills. What type of relationship exists between the jackal and the tiger?
A. Commensalism
B. Parasitism
C. Competition
D. Mutualism
E. Predation
Answer: A
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Which of the following statements about the differences between prokaryotic and eukaryotic genomes is FALSE?
A. Prokaryotic genomes are less complex than eukaryotic genomes. B. Prokaryotic genomes have centromeres, whereas eukaryotic genomes do not. C. Eukaryotic genomes have telomeres, whereas prokaryotic genomes do not. D. Prokaryotic genomes have one origin of replication, whereas eukaryotic genomes have multiple origins of replication. E. Chromosomes of prokaryotes have little repetitive DNA compared with chromosomes of eukaryotes.
What are mycelia?
a. a network of microscopic interwoven filaments b. a strand of walled cells arranged end to end c. composite organisms consisting of a fungus and a single-celled photosynthetic species d. aquatic fungi that produce flagellated spores e. mutually beneficial relationships between fungi and plant roots
Choose the description in column 2 that best matches each structure/protein in column 1
A) cytokinesis B) spindle pole C) anaphase B D) DNA replication E) anaphase A F) nuclear envelope breakdown G) CEN sequence H) microtubule attachment site 1) kinetochore 2) interpolar microtubule 3) actin filament ring 4) sister chromatids 5) lamins 6) kinetochore microtubule 7) centromere 8) centrosome
While members of Tubulinea are normally found in marine or freshwater environments, they can also be found in ventilation ducts where they feed on bacterial biofilms.
Answer the following statement true (T) or false (F)