<em>Answer:</em>
<em>Metals are good conductors of electricity because of the</em><em> ability of electrons to flow throughout the metal.</em>
<em>Explanation:</em>
<em>In metals, the outer electrons of the atoms belong to a 'cloud' of delocalised electrons. They are no longer firmly held by a specific atom, but instead they can move freely through the lattice of positive metal ions, these factors makes them a good conductor of electricity. Electric current is the flow of electrons in a wire. In metals, the outer electrons of the atoms belong to a 'cloud' of delocalised electrons. They are no longer firmly held by a specific atom, but instead they can move freely through the lattice of positive metal ions, these factors makes them a good conductor of electricity .</em>
The answer is: Organisms will not pass acquired physical traits to the next generation.
In his theory, Lamarck proposed how species adapted to the changed environment by passing down <span>acquired physical traits to the next generation. But, after Charles Darwin published his theory of evolution, Lamarck's theory was rejected. Now, it is known that acquired physical traits could not be inherited and epigenetics is a good proof for that.</span>
Answer:
Explanation:
DNA is composed of two side-by-side chains (“strands”) of nucleotides twisted into the shape of a double helix. ...
The bases are attached to the 1′ carbon of each deoxyribose sugar in the backbone of each strand. ...
The association of A with T and G with C is through hydrogen bonds
Digestive enzymes help to break down food in its simplest form. Pepsin is a digestive enzyme which leads to the degradation of proteins in the stomach. It is produced as pepsinogen and converted to active pepsin in the stomach by the removal of several amino acids.
<h3>What is pepsin?</h3>
Pepsin is a digestive enzyme which is present mainly in the gastric juice in stomach and helps to breakdown protein into peptides.
This pepsin is present in the stomach in the form of inactive pepsinogen. This pepsinogen gets active in the stomach by the action of hydrochloric acid.
Pepsinogen gets active and forms pepsin.
Thus, it can be concluded that the digestive enzyme pepsin degrades protein in stomach and is synthesized as pepsinogen and gets converted into active pepsin in stomach by removal of several amino acids.
For more details regarding digestive enzymes, visit:
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Answer:
d is the answer to this question
