Which of the following is NOT a floral structure?  

A.  endosperm
B.  calyx
C.  corolla
D.  stigma
E.  style


A.  endosperm

Biology & Microbiology

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The rusts and smuts that seriously affect crop plants are  

A.  ascomycetes. B.  zygomycetes. C.  chytrids. D.  basidiomycetes. E.  actinomycetes.

Biology & Microbiology

The nucleosome core particle consists of ____

a. two chromosomes linked together b. RNA wrapped around an 8-protein histone complex c. DNA wrapped around an 8-protein histone complex d. DNA associated with the nuclear envelope e. DNA replication enzymes associating to form the replisome

Biology & Microbiology

How would you characterize the amount of molecular traffic entering and leaving the nucleus?

a. There is a high amount of traffic entering and leaving the nucleus. b. There is a moderate amount of traffic entering and leaving the nucleus. c. There is a low amount of traffic entering and leaving the nucleus. d. Traffic is entering and leaving the nucleus exclusively at the time of cell division.

Biology & Microbiology

Answer the following questions true (T) or false (F)

1. Both viruses and prokaryotes reproduce by binary fission. 2. The shape of a virus may be determined by either its capsid or its envelope. 3. The number of species that a specific virus infects is called its host range while the types of tissues that the virus infects is called tropism.

Biology & Microbiology