An action-reaction pair is a pair of objects that interact to produce a force on each other of equal magnitude but of opposite direction. Object A exerts a force on object B that pushes/pulls it; and object B exerts a force on object A that pulls/pushes it (respectively).
It is a concept based on Newton's third law of physics.
For ex. The earth has a gravitational force on the moon (which in part keeps the moon in orbit) but the moon also has a force on the earth (which causes the welling up of water- i.e. the tides- during different phases of the moon).
A purine will always pair with a pyrimidine. Examples of purines are adenine (pairs with thymine or uracil) and guanine (pairs with cytosine). Examples of pyrimidines are thymine (pairs with adenine), uracil (pairs with adenine), and cytosine (pairs with guanine).
If a cat has 19 pairs of chromosomes, each gamete will have 19 single (not pairs) of chromosomes.
Thymine and cytosine are examples of nucleobases found in DNA. Thymine is paired with adenine, while cytosine is paired with guanine.
Examples of anatonge include hot and cold, love and hate, light and dark, and success and failure. These are pairs of contrasting terms or concepts that emphasize opposition or difference.
Ammonia (NH3), water (H2O), and hydrogen sulfide (H2S) are examples of substances with lone pairs on the central atom. These lone pairs play a key role in determining the molecular geometry and chemical properties of these molecules.
Lines that are straight and parallel
A purine will always pair with a pyrimidine. Examples of purines are adenine (pairs with thymine or uracil) and guanine (pairs with cytosine). Examples of pyrimidines are thymine (pairs with adenine), uracil (pairs with adenine), and cytosine (pairs with guanine).
Rice and Peaaaa!
Correlative conjunctions always come in pairs. Examples include "both...and," "either...or," and "neither...nor."
If a cat has 19 pairs of chromosomes, each gamete will have 19 single (not pairs) of chromosomes.
i.e
Just two examples: Human = two legs (one pair). Elephant = four legs (two pairs).
Minimal pairs are words that differ by only one sound. Here are some examples for the keyword "apple": apple - ample apple - chapel apple - grapple apple - dapple These words have similar sounds but differ by one sound, making them minimal pairs.
Two examples: an arrowhead or a kite.
flys, and uncle wally
7 and 11, 9 and 10
Newton's third law of motion states that for every action, there is an equal and opposite reaction. This law is often referred to as the action-reaction law. It explains how forces occur in pairs and act in opposite directions.