Bacteria are most sensitive to antibiotics during the _____ phase of growth
a. exponential
b. lag
c. stationary
d. death
e. both A and C
Answer: a. exponential
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Phototropism is a plant response controlled largely by which color of light?
A. Red. B. Blue. C. Violet. D. Green. E. None of the choices is correct.
What is the environmental advantage of using strip logging?
1.Runoff from the cleared area rolls down to the previously logged region below.
2.Small strips of logged areas can provide wildlife corridors.
3.The road is cut along a streambed to avoid disrupting the forest ecosystem.
4.Strip logging involves planting strips of different species to try to increase biodiversity.
An individual reports to the doctor that they are experiencing pain in their left arm. What would the doctor think may be wrong? What will be an ideal response?
You cross a true-breeding red-flowered snapdragon with a true-breeding white-flowered snapdragon. All of the F1 are pink. What can you say about the alleles for the parental traits?
A. Both red and white are recessive. B. Red and white show incomplete dominance. C. Pink is dominant, whereas red and white are recessive. D. Red is dominant.