The genetic code is the set of rules by which information encoded in genetic material (DNA or RNA sequences) is translated into proteins (amino acid sequences) by living cells. Those genes that code for proteins are composed of tri-nucleotide units called codons, each coding for a single amino acid.
<span>Too little is known about pre-Archean time, from the origin of Earth to 3.8 billion years ago, to divide that period into units.</span>
The different types of plant tissues are:
1. Meristematic tissues - It is of three types: Apical, Lateral and lntercalary.
2. Permanent Tissue - It of two types: Simple and Complex tissues. Simple tissues are of three types Parenchyma, Collenchyma and Sclerenchyma.
Complex tissues are of two types - Xylem and Phloem.
I think b.only select generation are effective...
