A sporic life cycle is characteristic of which groups?
_____ streptophyte algae.
_____ mosses.
_____ ginkgos.
_____ angiosperms.
_____ conifers.
_____ streptophyte algae.
__X__ mosses.
__X__ ginkgos.
__X__ angiosperms.
__X__ conifers.
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The micronutrient iron is abundant in soil, but often unavailable to plants due to insolubility
Knowing that the reaction Fe(OH)3 + 3 H+ ? Fe3+ + 3 H2O occurs, and assuming all soil samples have the same total amount of iron, which type of soil would you predict to have the highest amount of soluble iron? A) neutral B) acidic C) alkaline D) The amount of iron in soil does not depend on pH.
Nearly all viruses are constructed of
A. DNA with a protein wrapping, called a capsid. B. RNA with a protein wrapping, called a capsid. C. either DNA or RNA with a protein wrapping, called a capsid. D. either DNA or RNA, however many do not have the capsid.
The form of RNA that carries the code from
DNA to the site of protein assembly is called a. messenger RNA. b. nuclear RNA. c. ribosomal RNA. d. transfer RNA. e. structural RNA
hemorrhoids
What will be an ideal response?