Answer:
James Watson and Francis Crick were the first to discover the structure of DNA in the 1950s
Answer:
The molar mass (or the atomic mass on the periodic table) is equal to one (1) mole of that specific element.
With compounds, just add up the molar mass of each element in the compound. Make sure you have the right number of each element as well (see the subscripts attached to the element symbol)
***Diatomic elements (when by themselves) are ALWAYS is pairs
Example:
H₂O = 2 hydrogen + 1 Oxygen
H has a molar mass of 1.008
O has a molar mass of 15.999
since we have 2 hydrogen, we multiply it's molar mass by 2
now we add the masses
1 mole of H₂O = 18.015 g of H₂O
Explanation:
Answer:
Interphase
Explanation:
During this phase, the cell obtains nutrients and metabolizes them, grows, reads it's DNA and conducts it's normal cell functions. This stage is also referred to as the resting stage of cells
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Throughout history, the United States invoked the Roosevelt Corollary to the Monroe Doctrine to accomplish some imperialistic and interventionists goals in different Central American and South American countries.
We can set some examples here. For instance, that was the case of the US intervention in the Island of Cuba, in Nicaragua, Dominican Republic, Hati, and the US presence for so many years in the Panama Canal.
Let's have in mind that the Roosevelt Corollary to the Monroe Doctrine was originally called for intervening in Latin American countries that could not pay their debt to European creditors.
The message the US wanted to convey to European superpowers that had interests in this region was that from now on, it was going to be the US business to intervene in the Americas. If Europe tried to intervene, it was going to be understood as direct aggression to the United States.
There are three parts to this theory. The first part states that all organisms are made of cells. The second part states that cells are the basic units of life. These parts were based on a conclusion made by Schwann and Matthias Schleiden in 1838, after comparing their observations of plant and animal cells.