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It's not. There are indications that the very beginnings of life were either RNA-based or oligopeptide based. However current organisms usually have a DNA genome (instruction manual).

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14y ago

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What do you think about DNA?

DNA, or deoxyribonucleic acid, carries genetic information in living organisms. It plays a fundamental role in determining an organism's traits and characteristics through the instructions encoded within its structure. DNA is a vital molecule for the continuity of life and is a key component of genetics and biology.


The continuity of life is based on?

The continuity of life is based on the ability of living organisms to reproduce and pass on their genetic material to the next generation. Through mechanisms such as sexual or asexual reproduction, organisms are able to perpetuate their species and ensure the continuation of life.


DNA is critical to life as a mechanism of?

DNA is critical to life as it carries genetic information that determines an organism's traits and functions. It serves as a blueprint for the production of proteins and other molecules essential for life processes. The ability of DNA to replicate ensures the continuity of genetic information from one generation to the next.


Which two principle actions of genes insure homeostatic control of life processes and continuity of hereditary material?

The two primary actions of genes that ensure homeostatic control of life processes and continuity of hereditary material are gene expression and DNA replication. Gene expression involves the process of transcribing and translating genes to produce functional proteins that regulate cellular functions. DNA replication ensures continuity of genetic material by accurately copying the DNA sequence during cell division.


What is continuity of life?

MEIOSIS


Why is DNA known as the molecule of life?

Because it is the genetic information, passed down through generations, that tells cells how to put amino acids together to form proteins. Thoses proteins will then go on to become other things in the body or become enzymes or hemoglobin etc, which are vital for survival. So it's the molecule of life because it tells you how to form and how to live.


Explain why cells are vital for life?

Cells are what keeps us alive. they hold our DNA and our DNA is what tells us apart. the cells are protected by the cell wall in plants and cell membrane in animals.


Is the ear vital to sustaining life?

No, the ear is not vital to sustaining life.


What Has the unique ability among types of organic molecules to replicate?

Nucleic acids, such as DNA and RNA, have the unique ability among types of organic molecules to replicate. This process allows genetic information to be passed on from one generation to the next and ensures the continuity of life.


What are some real life example of continuity?

everything


What is biological continuity?

Biological continuity refers to the ability of living organisms to maintain a stable internal environment despite changes in their external surroundings. This concept is often related to homeostasis, where organisms actively regulate their internal conditions to remain balanced and functional. It is crucial for survival and proper functioning of biological systems.


State the of purpose DNA replication?

The purpose of DNA replication is to produce an exact copy of a cell's DNA so that each daughter cell resulting from cell division receives an identical set of genetic information. This ensures genetic continuity and stability across generations of cells. DNA replication is essential for cell division, growth, and repair in living organisms.