The process by which organisms maintain a stable internal environment in the face of a fluctuating external environment is called
A. metabolism.
B. cellular respiration.
C. growth and development.
D. homeostasis.
E. functional proteomics and genomics.
Answer: D
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The consequence of an infection by a temperate bacteriophage is that the bacterial cell
A) lyses before it gets a chance to divide. B) never lyses but continues to divide and replicate both the virus and the cell. C) divides faster at moderate temperatures. D) may lyse before it divides or may continue to divide and replicate both the virus and the cell.
Which of the following diseases is NOT caused by an ascomycete?
A. apple scab B. wheat rust C. powdery mildew D. chestnut blight E. Dutch elm disease
You stumble upon an unidentified arthropod with no antennae and eight legs. This organism is likely closely related to
_____. a. grasshoppers b. ticks c. crayfish d. millipedes e. trilobites
Which of the following are permanently differentiated cells?
A) Stem cells B) Most brain cells C) Bone marrow cells D) Newly formed daughter cells