Which of the following is/are characteristic of ALL cellular organisms?

A) communication
B) evolution
C) motility
D) communication, evolution, and motility


Answer: B

Biology & Microbiology

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In wolves, gray coat color (G) is dominant to black (g) and brown eyes (B) are dominant to blue (b). The genes that control these traits are located on different chromosomes. The alpha male of the pack has the dominant phenotype for both traits and is heterozygous for both traits. The alpha female has brown eyes and a black coat; she is heterozygous for eye color. Which option represents gametes

that would be made by the alpha female? A. B, b, and g B. Bg and bg C. Bb and gg D. BG, Bg, bG, bg E. None of these

Biology & Microbiology

The root of a carrot serves as

A. Only a translocation sink B. Only a translocation source C. Both a translocation source and sink D. Only a transpiration source

Biology & Microbiology

Heat is used to drive the stain into cells in the ________ staining procedure(s)

A) endospore stain B) acid-fast stain C) capsule stain D) Gram stain E) both acid-fast and endospore stains

Biology & Microbiology

A population of mice shifting from light-colored coats to darker coats is displaying the effects of _____ selection

A. Artificial B. Disruptive C. Directional D. Sexual E. Stabilizing

Biology & Microbiology