There was no life on Earth for the first billion years because the atmosphere was not suitable for life. Earth's first atmosphere had lots of water vapor but had almost no oxygen. Later, frequent volcanic eruptions put several different gases into the air.
Answer:
Peppered moths can be described as common insects usually ranging in size from 1.5 to 2.5 inches. Typical peppered moths are light in colour and are known as typica.
The peppered moths are normally light in colour having dark- black spots on its wings. They have a stout body with wings ranging from 45 mm to 62 mm. The peppered moths have colours which adapt them to hide from their predators.
A: Each codon calls for a specific nucleotide accurately describes the process of translation.<span>
</span>
C. alive. The vaccine contains a live strain of varicella-zoster (chicken pox) virus which has been attenuated so that it will stimulates the immune system but does not cause any disease in healthy people.
Answer: In transcription, the genetic code of a DNA molecule is encoded. Translation is the process of converting DNA Code into a code that RNA can use.
