Answer:
a paper plane also known as and paper aeroplane in American English or paper aeroplane in British English is it toy aircraft usually a glider made out the single folded sheet of paper or paper boat a simple noise heavy paper plane truth like a dot is also known as paper
When DNA is copied, sometimes a new, incorrect base-pairing appears within the structure of a new DNA molecule replacing original base pairs. This mistake is called a base-pair mismatch due to replication error. This is known as DNA damage.
These kind of mismatch errors can be corrected by DAM (DNA adenine methylation) repair system. This repair system recognizes one of the two mismatched nucleotide to be corrected by methylation pattern. The non-methylated DNA strand in the hemi-methylated DNA progeny is recognized as the strand to be corrected by DAM repair system.
Answer:
A. an embryo sac
Explanation:
Angiosperms or flowering plants produce their gametes through the meiosis.
In the ovule (contains female reproductive cells) a diploid cell (megaspore )undergoes meiosisin which four cells (megaspores) with haploid nuclei are produced. One of these four megaspores then undergoes three successive mitotic divisions to produce an immature embryo sac which is the megagametophyte with 8 haploid nuclei (3 antipodal cells, 2 synergid cells, 1 egg cell and 2 polar nuclei).
Answer:
D.
Explanation:
if you look at the names of the species, the first part is the same, which means they aare closely related to some point. When you look at the picture, you also notice the species look strikingly alike.
