The mitochondria is where oxygen is needed.
Answer:
reacting with nitrogen and oxygen atoms in DNA, these compounds modify certain nucleotides so as to distort the normal pattern of base pairing. If these modified nucleotides were not repaired, they would allow an incorrect nucleotide to be incorporated during replication.
Explanation:
Answer: premaxilla bone (or maxilla) and the maxillary beak (or rhinotheca).
Explanation:
The beak is composed of keratin, the same tough, insoluble protein found in fingernails, hoofs, antlers and horns. A bird's bill comprises two parts. The upper portion of a bird's bill is called the maxillary rostrum, which consists of the premaxilla bone (or maxilla) and the maxillary beak (or rhinotheca).
Answer:- B
Explanation:- Samples of lunar rock and soil brought back by Apollo astronauts proved that the maria are composed of basalt formed from surface lava flows that later congealed. ... The maria basins were formed beginning about 3.9 billion years ago during a period of intense bombardment by asteroid-sized bodies.
Answer:
Answer is opioids.
Explanation:
The opioids are drugs like opiums, and perform similar function like opium.
They are useful for the treatment of moderate and severe pain by acting on opioid receptors. The drug is also usuf in suppressing cough and diarrhea. It has side effects like sedation and nausea.
It should be noted that, a long term exposure to this drug can lead to drug tolerance, ahich can be described as physical tolerance and probably , withdrawal symptoms. Example is narcotics.
