Biology, 07.01.2021 21:50 sidney2602
An insecticide is a chemical that can rid a plant of insects that cause damage to the plant. If the same insecticide is used for many years, it is likely that it will no longer rid plants of insects. Which statement BEST explains why insects are no longer harmed by an insecticide that has been used on the same plants for many years? (S7L5b) 1 pt. A. Over time, plants sprayed with an insecticide develop a resistance to it, which transfers to the insects when the insects eat the plants. B. Some insects are born with an ability to avoid harm from an insecticide, and they pass this ability to their offspring when they mate and reproduce. C. Some insects are born with an ability to avoid harm from an insecticide, and they pass this ability to other insects by coming into contact with them. D. Over time, plants sprayed with an insecticide develop a resistance to it, which transfers to the insects when the insects lay their eggs on the plants.
Answers: 2
Biology, 21.06.2019 16:10, jroig42
Which of the following statements regarding anfinsen's denaturing experiments with ribonuclease a (rnase a) are valid? exposing the denatured protein to air oxidation and then dialysis to remove urea restored the protein to its original functionality. removing urea by dialysis and then allowing air oxidation of the denatured protein restored the protein to its original functionality. denaturing the protein with both urea and β-mercaptoethanol yielded an inactive protein. anfinsen concluded that protein folding is determined by its primary sequence.
Answers: 3
Biology, 22.06.2019 09:30, xmanavongrove55
Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these
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Biology, 22.06.2019 13:00, butterflycc
We can be sure that a mole of table sugar and a mole of vitamin c are equal in their 1) mass in daltons. 2) mass in grams. 3) number of molecules. 4) number of atoms. 5) volume.
Answers: 3
An insecticide is a chemical that can rid a plant of insects that cause damage to the plant. If the...
Mathematics, 17.10.2019 21:00