Carbohydrates dissolve in water and lipids don't. Explain how the bonding properties of carbon atoms result in the large variety of carbon-based molecules in living things<span>. </span>Carbon atoms<span> are able to form 4 </span>types<span> of covalent bond which ends up as molecules</span><span>.</span>
Chloroplast and mitochondria. Because both organelles are roughly the same size and shape as bacteria, have their own double layer membrane, and mitochondria have dna, that they were engulfed by early cells and are now organelles.
It spreads by one person being around another
everyone who comes in contact with someone who has the virus
Once the DNA of a person has been copied it can be compared to the DNA of other people by using PCR (Polymerase Chain Reaction).
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