Ecdysone inhibitors are used as
a. insecticides.
b. fungicides.
c. herbicides.
d. fungicides and herbicides.
e. none of these
D
You might also like to view...
Mr. Johnson was becoming slightly deaf. To test his hearing, his doctor held a vibrating tuning fork tightly against Mr. Johnson's jaw. This sent vibrations through the bones of the skull, setting the fluid in the cochlea in motion. Mr. Johnson could hear the tuning fork this way, but not when it was held away from the skull a few inches from his ear. Where was the hearing problem most likely to
be? A. auditory cortex of Mr. Johnson's brain B. auditory nerve leading to Mr. Johnson's brain C. hair cells in the cochlea D. tympanum or the bones of the middle ear E. fluid of the cochlea
Which of the following is a function of the Golgi apparatus?
a. Distributing lipids and proteins b. Maintaining a cell’s shape c. Moving and filtering particles d. Breaking down fatty acids
The covalent bond between a hydrogen atom and the oxygen atom in water is formed when:a
hydrogen gains an electron from oxygen. b. hydrogen and oxygen share an electron pair. c. hydrogen and oxygen both lose electrons from their outer shells. d. hydrogen and oxygen both gain electrons in their outer shells. e. hydrogen gains an electron from oxygen.
________, a chemical that hardens cell walls and supports terrestrial plants, is found in all plants EXCEPT ________
A) Lignin... bryophytes B) Cellulose... bryophytes C) Cellulose... ferns D) Lignin... ferns and bryophytes