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Everyone's DNA is different, it is unique to each individual. Each base (A, T, C, G) forms a codon (triplet) which codes for a specific protein. These protein specifications then determine what will be your physical characteristics (your phenotype). Half of an individuals DNA comes from their mother and the other half from their father. Although someone may seem to have all of one of their parents traits, this is not the case. The other genes are which are not physically dominant are termed recessive.

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Is microorganisms the largest mass of living material on earth?

Yes, microorganisms are estimated to be the largest mass of living material on Earth. They are found in nearly every environment, including soil, water, and the human body, and play critical roles in nutrient cycling, decomposition, and energy flow in ecosystems.


Why is the nucleus said to have the instructions for life?

The nucleus contains the genetic material, including DNA, which carries the instructions for making proteins and controlling cellular activities. These instructions are important for the functioning and development of the organism, making the nucleus the control center of the cell and often referred to as having the "instructions for life."


What is the difference between population community ecosystem and biosphere?

A population consists of individuals of the same species living in the same area, a community is a group of different populations living together in the same area, an ecosystem includes both living (biotic) and non-living (abiotic) components interacting in a specific area, and a biosphere encompasses all the ecosystems on Earth.


What kind or energy drives all the processes important to life on earth?

If you mean living processes, then the answer is Sunlight. If you mean geological processes, then the answer is decay (nuclear fission) of radioactive isotopes in the Earth's core and Sunlight. If you mean tidal processes, then the answer is kinetic (rotational) energy transfer.


Why do biotic things need DNA?

Biotic things need DNA because it contains the genetic information and instructions necessary for growth, development, and functioning. DNA controls the synthesis of proteins essential for all cellular processes, including metabolism, reproduction, and response to the environment. Without DNA, biotic organisms would not be able to carry out these essential functions.