Plants generally take up nitrogen for their use mainly as

a. NH4
+.
b. CN.
c. N2.
d. NH3.
e. NO3


E

Biology & Microbiology

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Archaea, Bacteria, and Eukarya are:

A. phyla B. kingdoms C. families D. domains E. orders

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Starting from the outside and moving in toward the center, which gives the correct order of tissues in

the stem of a young tree?

a. secondary phloem, primary phloem, primary xylem, secondary xylem b. primary xylem, secondary xylem, secondary phloem, primary phloem c. primary phloem, secondary xylem, secondary phloem, primary xylem d. secondary phloem, primary xylem, secondary xylem, primary phloem e. primary phloem, secondary phloem, secondary xylem, primary xylem

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What is shown in the figure above?

a. transcription in eukaryotes b. translation in prokaryotes c. translation in eukaryotes d. DNA replication e. transcription in prokaryotes

Biology & Microbiology

Sister chromatids are also referred to as homologues or homologous chromosomes

Indicate whether the statement is true or false

Biology & Microbiology