Answer:
Translation may be defined as the process of formation of protein product from the RNA molecule. Three main steps of translation are initiation, elongation and termination.
Antibiotics can effect the different process of translation. Tetracycline can block the A site and thus prevent the binding of the transfer RNA with the ribosomes. This effects the initiation process of translation.Other antibiotics can directly affect the growth of the polypeptide chains and may prevent the elongation of the translation.
Answer:
Change in the species structure of an ecological community over time. (A)
Explanation: Google
Answer:
Scientists learn how climatic changes during the ice age affected life in this region by analyzing specimens found in these tar pits
Explanation:
La Brea Tar Pits are a group of tar pits in Los Angeles. Many preserved remains of ancient organisms (i.e., fossils) were extracted from the tar, including, among others, Western horses, prehistoric camels, three-toed tapirs, rodent bones, insects, mollusks, wood, plants, etc. The oldest fossils have been dated to be approximately 38,000 years ago by radiometric techniques. Moreover, the Last Glacial Period was the most recent glacial period within the Quaternary glaciation, which encompassed the period between 115,000 to 10,000 years ago. This period (LGP) encompassed the Last Glacial Maximum (LGM), which occurred about 20,000 years ago. In consequence, many of the fossils found in La Brea Tar Pits evidence how the ice age affected life in this region. Moreover, many of the fossil species extracted from the tar are still present today, thereby indicating how these species adapted to fluctuating climatic conditions, whereas certain species couldn't adapt fast enough as the environment changed and therefore they went extinct.
Answer:
B. Sequence of nucleotides in the organism's DNA
Explanation:
The genes within an organism rely on the DNA within those organisms. Different DNA create different genes.
After mining, to reclaim the land, the depression is filled with rocks then the top is filled with loosely graded soil. Introduction of early succession plants is important before big trees can grow. The early succession plants help in the breaking down of the rocks into soil hence making the topsoil deeper to support trees.
