Which of the following characteristics do all plants share?
a. being unicellular
b. producing flowers
c. being a prokaryote
d. being an autotroph
Ans: d. being an autotroph
You might also like to view...
You digest DNA from the frog Xenopus laevis with the enzyme NotI that produces sticky DNA ends. You can ligate your DNA to:
_____ blunt AluI ends from Xenopus laevis. _____ sticky NotI ends from Xenopus laevis. _____ blunt AluI ends from bacteria. _____ sticky NotI ends from bacteria. _____ sticky EcoRI ends from Xenopus laevis. _____ sticky EcoRI ends from bacteria.
Chemists use the term "organic compounds" to refer to molecules that ________
a. contain the carbonyl or carboxyl functional groups b. are formed entirely of carbon and hydrogen c. contain primarily carbon and hydrogen d. are created only in living organisms
Atrazine is used as a(an)
a. pesticide. b. fertilizer. c. herbicide. d. substitute for PCBs. e. insect repellent
An example of a nonspecific chemical barrier to infection would be
A) unbroken skin B) lysozyme in saliva C) cilia in respiratory tract D) all of these