Gymnosperms are classified as which of the following? O Vascular
Non-vascular
Monocot
Dicot

Which prevent errors in dna replication? a. helicase enzyme checks the dna for errors. b. each base can attach to only one other type of base. c. ribosome enzymes prevent errors from happening. d. dna contains no complementary base pairs.

If the coding part of an mrna molecule is 1800 nucleotides (bases) in length, this molecule will contain codons and code for a polypeptide that is amino acids long.

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen