<span>There are three basic chemical components of DNA - 1. Four "Nucleic acids", 2. Deoxyribose sugar, and 3. Phosphate backbone. The overall shape of the molecule is a double-stranded, double helix. It looks a bit like a spiral staircase wrapped around a spiral staircase. Phosphate groups outside, nucleic acids inside the helix,</span>
Solar energy from the sun.
Geothermal energy from heat inside the earth.
Wind energy.
Biomass from plants.
Hydropower from flowing water.
Chromatin is the mass of DNA molecules which is undistinguishable however chromatids are part of a chromosome attached with a centromere. Also, chromatin is the DNA before it coils and chromatid are the things that contains the DNA.
Compound light microscope. while adjusting the mirror so that a circle of light can be seen.....giving you a hint at the answer
They have a certain shape of active sites which only fit in certain substrates
See lock and key theoru
