Answer:
Nitrogen can be transformed into a utilizable form like NO2 by the fixation process.
Explanation:
The conversion of nitrogen into various chemical forms is described through the Nitrogen cycle. The nitrogen of atmosphere is less usable. However, it can be made usable by various interactions of complex genes that allow nitrogen conversion by different organisms.
One such interactive process is of Fixation. In this method, nitrogen is modified into ammonia by symbiotic microorganism. They have the enzyme called nitrogenase which makes the bond of hydrogen with nitrogen to make ammonia.
Answer:
pyramid of energy
Explanation:
An energy pyramid is a graphical flow in a community.The different levels represents different groups of organisms that might compose a food chain, from the bottom to the top.
Polygenic traits are those traits that are controlled by more than one gene (poly- means many). The examples for polygenic traits are eyes colour, hair colour, human height, etc.
Pleiotropic traits are those traits that are controlled by one gene. For instance, if one gene controls two different traits, then those traits are pleiotropic traits. The example is gene for phenylketonuria and sickle-cell anemia.
Knowing and understanding how different traits are controlled (by one or by many genes) is important for <span>linking human genotypes to phenotypes.</span>
Answer:
The correct answer will be option-C
Explanation:
LUCA or the last universal common ancestor or the concestor represents one of the populations of the most common ancestor of all the organisms present on this Earth today.
The LUCA organisms are not considered the first form of life on earth but studies show that they spread their genes to all other organisms through horizontal transfer methods.
Recent studies by William F. Martin indicates that LUCA was anaerobic thermophilic, H₂-dependent, CO₂-fixing organisms, therefore, the correct answer is option-C.
These threadlike structures that form muscle fibers are called myofibrils.
They are very long fibers organized into myofilaments, that layer on top of each other to create myofibrils, which then layer in order to create muscle fibers, which then layer to create muscles, which they cover our entire body and make up the muscular system of organisms.
