Answer:
polymer any of a class of natural or synthetic substance composed of very large molecules called macromolecules,that are multiple of simpler chemical units called monomers .polymers they make up many of the materials in living organisms example proteins , cellulose
Answer:
Sporophyte generation; gametophyte generation; sperm cells are transported by water to egg cells; spore are transported by air.
Explanation:
> Both ferns and mosses have gametophyte generation followed by sporophyte generation.
> Both are spore bearing and the spores are transported by air.
> The sperm finds the egg cell by chemotaxis and require water for movement.
> They require moisture to thrive.
Lincoln worked as a boatman, store clerk, surveyor, militia soldier, and became a lawyer in Illinois. He was elected to the Illinois Legislature in 1834, and was reelected in 1836, 1838, 1840, and 1844.
<span>In contrast to a mitotic division, which yields two identical diploid daughter cells, the end result of meiosis is </span>haploid<span>daughter cells with chromosomal combinations different from those originally present in the parent. In sperm cells, four </span>haploid<span> gametes are produced.</span>
Answer:
Site-directed mutagenesis
Explanation:
Site-directed mutagenesis (SDM) is a technique widely used in molecular biology in order to generate site-specific, targeted changes in the DNA sequence of a gene of interest. The SDM protocol consists of using a complementary oligonucleotide (primer) that contains the desired mutation, which hybridizes to the target DNA sequence and thus can trigger the desired mutation. Nowadays, the versatile CRISPR-Cas9 genome editing system is the most used technique to produce targeted mutations in any gene of interest.
