Oil Coal and Natural Gas are the fossil fuels the USA has the most reserves of. Given that only one of them is on the answers Coal is the correct answer.
Answer:
C. the causes of cancer are not usually genetic.
Explanation:
The correct answer is option A, that is, DNA is photocopied to make RNA.
Transcription refers to the procedure by which DNA is transcribed or copied to make mRNA (messenger RNA) that conducts the information required for the formation of protein. Transcription occurs in two broad stages. First is the formation of pre-messenger RNA, with the application of RNA polymerase enzymes.
The pre-messenger RNA is then amended to generate the desired molecule of mRNA in a procedure known as RNA splicing.
Differences
Bony Fish
They are both fresh water as well as marine.
Endoskeleton is made up of bone.
They have 4 pairs of gills.
Cloacal aperture is absent.
mouth is normally terminal
Cartilaginous Fish
They are marine.
Endoskeleton is made up of cartilage.
They have 5-7 pairs of gills.
Cloacal aperture is present.
mouth is at the ventural surface
similarties
Bony fish and cartilaginous fish represent two classes of aquatic chordates. Both bony fish and cartilaginous fish belong to the superclass Pisces. Both bony fish and cartilaginous fish have an endoskeleton.are their centralized nervous systems, their sizes are similar, they both belong to the phylum chordata, they are both a family of the fish, and both have a lateral line organ that enables the fish to detect movement and vibration in the water surrounding them.
Explanation: