Which fungal lineage is the oldest?
a. Deuteromycetes
b. Chytrids
c. Glomeromycetes
d. Zygomycetes
e. Ascomycetes
b
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In conifers, the megasporocyte undergoes meiosis to produce four daughter cells. How many of these survive to develop into gametophyte(s)?
a. two b. three c. one d. four
Which part of the spleen contains masses of lymphocytes?
a. nodes b. marrow c. red pulp d. white pulp e. clear pulp
Bacteriophage T4 blocks transcription of host genes using an enzyme that transfers an ________ from NAD onto the alpha subunit of RNA polymerase.
What will be an ideal response?
Which of the following is a characteristic shared by DNA and RNA polymerases?
A) efficiency of proofreading B) type of nucleotides used C) direction of polymerization D) speed E) dependence on helicase