A protein is a polymer of amino acids.
When amino acids are joined by dehydration synthesis (a process that removes
water to form a chemical bond), they form peptide bonds. <span>There are three main components of an
amino acid, the amino group, the side chain, and the carboxylic acid group. </span>
Answer:
Option-D
Explanation:
The network of neurons which gets activated in the condition of stress that is fear or anger is known as Sympathetic nervous system.
During stress conditions, this system prepares the body physically and mentally either to fight or flight by controlling the production of hormones through activation of specific neuron network in the body. Mainly the adrenaline and norepinephrine which act and produces the response like increased heartbeat, sweating and other.
Thus, D)sympathetic is the correct answer.
The correct answer among the choices listed above is option A. <span>The process of transpiration is responsible for the transportation of water through the xylem. It is in the plant stem that negative pressure is exerted during this transport.</span>
Answer:
Adaptive radiation
Explanation:
Adaptive radiation refers to the evolution of the multiple species from one ancestral species. The force which drives the formation of new species is the change of natural environment like the availability of resources, niche, and many other related changes.
The species adapt themselves to these changes and get transformed into new species.
The formation of a variety of species of finches on the Galapagos island is an example of adaptive radiation. The species formed as a result of the food resources they received on the island.
Thus, Adaptive radiation is the correct answer.
Answer:
Deer have following specific features that help it to detect the presence of predators like lion in a forest or grassland: Big ears to hear movement of predators very easily. Eyes on the sides of its head which allow it to see in all directions at the same time.
Explanation:
