Answer:
Due to presence at early days of the planet.
Explanation:
We only find the remains of single celled organisms in the oldest fossils because the single celled organisms are the organisms that were present in the early days of this planet. These single celled microbes were present about 3.7 billion years ago while on the other hand, the oldest rocks are only a little older i. e. 3.8 billion years so these single celled organisms are considered as oldest fossils on this planet.
Solution:
The ability to fuse one's identity with that of another without fear of losing it characterizes what erikson called the psychosexual.
Thus this the required answer.
1) mRNA
2) amino acids
3) transcription and translation
4) mRNA is made
5) messenger
6) to a ribosome in the cytoplasm
7) making amino acids
8) ribosomal
9) transfer
10) tRNA anticodon match up with codons on mRNA strand
11) codon
12) peptide bond
Hope that helps! :)
Solidified, solidifying. 1. to make solid; make into a hard or compact mass; change from a liquid or gaseous to a solid form. 2. to unite firmly or consolidate.
The first step of DNA replication is the separation of the two DNA strands to create a replication bubble. DNA Helicase is what breaks the hydrogen bonds joining the two strands, allowing it to unravel.