Option A
DNA is always synthesized in the 5' to 3' direction, meaning that nucleotides are added only to the 3' end of the growing strand.
Answer:
Deoxyribose, found in DNA, is a modified sugar, lacking one oxygen atom (hence the name "deoxy"). This difference of one oxygen atom is important for the enzymes that recognize DNA and RNA, because it allows these two molecules to be easily distinguished inside organisms.
Explanation:
Answer:
Mitochondria, endoplasmic reticulum, golgi apparatus, or chloroplasts would all be an example.
Explanation:
Unlike prokaryotic cells, eukaryotic cells have a nucleus enclosed in a plasma membrane, as well as the mitochondrias, endoplasmic reticulums, golgi bodies or apparatuses, and chloroplasts.
The tundra has little variation in temperatures
Answer:
down syndrome
Explanation:
people with down syndrome have an extra chromosome in the twenty-first pair
