Which list contains only plant phyla?
A. mosses, annelids, conifers, chordates
B. mosses, ferns, conifers, flowering plants
C. cnidarians, mollusks, annelids, arthropods, echinoderms, chordates
D. cnidarians, mollusks, ferns, annelids, arthropods, echinoderms, flowering plants

B- mosses, ferns, conifers, flowering plants

B

What‘s wrong with A: Annelids are not plant phyla.

What‘s wrong with C: Cnidarians, mollusks, annelids, arthropods, echinoderms, and chordates are not plant phyla.

What‘s wrong with D: Cnidarians, mollusks, annelids, arthropods, and echinoderms are not plant phyla.

a neutral ph of 7 and normal organism temperature is needed for a certain enzyme to be effective.  

what would happen to the enzyme if the ph and/or temperature fluctuate greatly from the norm?  

a.the enzyme’s hydrogen bonds will break.  

b.the activation energy will increase.  

c.more product will be formed.

d.the ideal temperature and ph for the enzyme function will decrease.  

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides