Explanation:
Radio waves, like all__electromagnetic _____ radiation are fundamentally different than _mechanical_______ waves such as sound. Even though
they share many similar properties, sound waves require a_medium____,while__radio____waves do not. Sound is the___vibrations___ of molecules and caused by pressure waves. There are no molecules in a __vacuum___
So, sound cannot travel through a vacuum or outer space. Radio waves are electromagnetic waves. They are the vibrations of _electric____ and_Magnetic_______
fields and require no matter to vibrate through. So, radio waves__can___
travel through outer space or a vacuum.
Mechanical waves are simply waves that causes oscillation of a body to transfer energy through it.
Sound and electromagnetic waves are both mechanical waves. Sound is propagated as a longitudinal wave parallel to the source.
Electromagnetic waves are transverse waves that are propagated perpendicularly away from their source.
Sound cannot be propagated in a vacuum but electromagnetic waves are. They do not require a materials medium to be transported through.
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Inbreeding compresses the gene pool, making it more likle for a genetic abbheration to occur.
Answer:
Ribosomes are different from other organelles because they have no membrane around them that separates them from other organelles, they consist of two subunits, and when they are producing certain proteins they can become membrane bound to the endoplasmic reticulum, but they can also be free floating while performing. Hope this helped!
.Explanation:
Answer:
Option D, TT
Explanation:
As per the given situation, the cross on tall plant will give only tall offspring.
Let us take the cases one by one
a) Tt or tt
Here genotype "tt" does not represent a tall pea plant and hence, this option is incorrect
b) Tt
This genotype will produce heterogyzous tall pea plant but when the cross will be done between two pea plants having genotype "Tt" , 50% of the offsprings will have "tt" genotype, thus they will not be tall. Hence this option is incorrect
c) tt
This genotype represent short pea plant, hence this option is incorrect
d) TT
This genotype represent homozygous tall pea plant and when a cross is carried out between two homozygous tall pea plants, all the offspring plant will be tall with genotype "TT". Hence, this option is correct.
Answer:
They have approximately similar molecular weight, chemical composition and solubility.
Explanation:
Macro molecules are bigger molecules having more weight. The molecular weight of the macro molecules is more than 10,000 Dalton. They are chiefly the carbohydrates, proteins, lipids, and nucleotide. These are found in the acid-insoluble pool. This means all macro-molecules are acid insoluble. They are all polymers. Their composition is similar, having carbon and hydrogen which forms bonds with other compounds like nitrogen, sulphur, phosphate, OH, etc. They are all basic components of the cell and cell membrane and all are organic molecules.