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DNA replication occurs in the nucleus of the cell inside what are known as replication bubbles. The two DNA strands are separated by an enzyme called Helicase and held apart by another enzyme called Topoi...
The kidney consists of a huge number of functional units called nephrons. Each nephron has multiple sub-structures within it that relate to the kidney's overall function. Glomerulus - A dense network of c...
Essentially the main difference between prokaryotes and eukaryote is that eukaryotes have compartmentalised organelles. This leads to major differences in their structure. Eukaryotes have a nucleus, with ...
A population will always have some level of genetic variation for a specific character, giving different variants of the same character. Some characters are essential for fitness a...
Meselson-stahl's experiment provided evidence for the semi-conservative DNA replication hypothesis, given that 1st and 2nd bacteria cultures showed ratios of N14 and N15 in their DNA that followed that sp...
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