Deficit spending is the spending of money raised by borrowing from the public. It is used by the government to quicken the economy during times of crisis. Unless the "borrowing" is refunded, deficit spending can increase the national debt.
The wood in a matchstick is made of cellulose, a polymer of glucose molecules. When you light the matchstick, heat and light are given off, indicating that an exothermic reaction is occurring.
There are two types of reactions:
1. Exothermic reactions: In these reactions, the reactants combine to form product and heat is liberated. Example, burning of fuel.
2.Endothermic reactions: In these reactions, the reactants combine to form product and heat gets absorbed from the surroundings. Example, photosynthesis in plants where the energy of the Sun gets absorbed.
The two structure that that make up a peanut is the the shell and the seeds. the shell is a woody and hard material that surrounds the seeds, the main purpose of the shell is for protection. the seed is found inside the shell, this is the one that will be eaten or planted
Given what we know about the cell cycle, we can confirm that the stage in question refers to the G2 stage.
The cell cycle can be divided into four stages, which are :
- G1 or growth phase
- Duplication of DNA
- G2 or preparation phase
- Mitosis.
The first stage in the cycle is that of G1 or growth. As the name indicates, the cell undergoes rapid growth during this stage. Next is the duplication stage where the DNA is replicated in advance so that the cell can undergo mitosis.
The third phase is the one that this question refers to, in which the cell <u>grows substantially </u>and <u>undergoes </u><u>checkpoints </u>in which <em>biological factors </em>check the replicated DNA for errors. Finally, the cell ends the cycle by multiplying via mitosis.
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Endosymbiosis is the idea that certain organelles found in eukaryotic cells today, like mitochondria and chloroplasts were originally separate organisms which were absorbed into early eukaryotic cells and had a symbiotic relationship with them. Over time, they evolved along with the cells until they were fully part of the cell and no longer self-sufficient organisms.
The best piece of evidence for this theory is that chloroplasts and mitochondria have their own DNA, which is different than the DNA stored in the nucleus. This makes sense since they would have needed their own genetic material when they were independent organisms. Today, though, much of the genetic code controlling mitochondria and chloroplast production and activity has been incorporated