Caffeine works as an adenosine receptor antagonists, this essentially means that it works in the opposite manner or works against the receptor. Think of antagonist in the term of literature it goes against the agonist. Adenosine when bond to the receptor causes tiredness, this is the reason why people drink caffeine to stay wake and to prevent cognitive decline from exhaustion. So caffeine doesn’t really effect learning or memory to a large extent like other stimulants do. So basically caffeine increases wakefulness which in turn allows a person to focus longer, slight increase in memory, and more of a sorted out thought process.
I'd go with this one: b.) Meiosis I separates tetrads, and meiosis II separates sister chromatids. As it is correctly describes the difference between meiosis I and meiosis II.
<u>ANSWER:</u>
Cosmic background radiation is leftover thermal energy from the Big Bang best describes the origin and expansion of the universe.
<u>EXPLANATION:</u>
- The "Big Bang Theory" is used to describe how the universe has begun.
- The theory basically states that the "universe" began as a "single point" and then "expanded and stretched" and is expanding even today.
- When the universe began, it was "hot tiny particles" mixed with heat and light and as it "expanded" and took up "more space", it cooled down and formed atoms.
- The "best evidence of the big bang" is the radiation of cosmic background that was leftover when the first big bang explosion took place and began the universe.
Answer:
A source of money that allows individuals to pay for goods and services later is called CREDITS.
An advantage of this source of money is it's allow the person to pay at it's convient time
A disadvantage of this source of money is that it allow increase in financial debt.
Explanation:
Credit in economics and finance is the trust and agreement between buyers and sellers that allow the buyers to purchase goods and services and pay for it later at his convinient time and when he has the money.
The advantage of this is that it allow the buyer to pay at his convinient time.
The disadvantages of this is payment default and accumulation of future financial debt for the buyers.
Continue to look for the class characteristics because it helps their case in the courtroom and shows how everything links to the other eveident peices
