B) Nations meeting to discuss the ozone layer.
Answer:
The most appropriate answer would be (3) nucleus and ribosome.
A nucleus is the controlling center of the cell which contains genetic material of the cell that is, deoxyribonucleic acid (DNA). DNA codes for mRNA (messenger ribonucleic acid) which carries the codes for protein synthesis from DNA (nucleus) to the ribosomes.
Ribosome forms the site for protein synthesis in the cell. Ribosome forms the complex around the initiation codon of the mRNA and then moves along the length of mRNA.
As ribosome moves, tRNA (transfer RNA) keeps adding specific amino acids to the growing polypeptide chain according to the codon sequence of mRNA.
Ribosome releases the mRNA and newly synthesized polypeptide chain as soon as it reaches the termination codon of the mRNA.
Answer:
Unequal heating of the earth's surface causes temperature differences which cause pressure differences. Lower temperatures cause higher air pressure. Wind direction is described as where the wind is coming from. For example a northerly wind blows from the north to the south. Usually when we talk about uneven heating of the Earth's surface we are discussing convection. The uneven heating results in some of the atmosphere to be warmer than other parts and changes in volume and pressure which result in updrafts and can cause thunderstorms and other violent weather.
Explanation:
Answer:
Protozoan infection of the intestines. Giardiasis forms cysts and travel through the feces so anything that comes in contact with the feces and the animal has consumed it will host the parasite.
Explanation: