You have found a new prokaryote. What line of evidence would support your hypothesis that the organism is a cyanobacterium?
A) It is able to form colonies and produce oxygen.
B) It is an endosymbiont.
C) It forms chains called mycelia.
D) It lacks cell walls.
A
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Another name for non-sister chromatids is:
A. bivalents. B. chiasmata. C. diploids. D. homologous chromosomes.
In which portion of the nephron do hormones control water and salt reabsorption?
a. glomerulus b. proximal tubules c. loop of Henle d. distal tubules e. Bowman’s capsule
How do fossils support the theory of common descent?
A) They are a record of some intermediate types of organisms that document the process of evolution. B) They can be easily and precisely dated by comparing the rock layers where they are found. C) They are found equally all over the world, so they explain all our questions about biogeography. D) They contain complete DNA genomes, so they can be compared to modern organisms.
You plant two gardens, one in the sun and one in the shade. The plants grown in the shade will most likely be ____
because neighboring leaves absorb more ____. a. shorter; far-red light than red light b. shorter; red light than far-red light c. taller; red light than far-red light d. taller; far-red light than red light e. shorter; cryptochrome than phytochrome