Answer:
1. A pure substance has a definite constant composition.
2. A compound is composed of two or more types of matter that can be present in varying amounts.
3. A solution is a homogeneous mixture.
4. A mixture that is not uniform throughout is a Heterogeneous mixture
5. A pure substance that cannot be broken down chemically is a element.
6. A characteristic of matter that’s not associated with a change in its chemical composition is known as a physical property.
7. Wax melting is an example of a physical change in the state of matter.
8. A banana peel turning brown is an example of a chemical change in the state of matter.
Answer:
DNA carries the genetic information for making proteins. ... The base sequence determines amino acid sequence in protein. Messenger RNA (mRNA) is a molecule which carries a copy of the code from the DNA, in the nucleus, to a ribosome, where the protein is assembled from amino acids.
Answer:
Explanation:
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Electron Transport System and Oxidative Phosphorylation: ATP is generated when electrons are transferred from the energy-rich molecules like NADH and FADH 2, produced in glycolysis, citric acid cycle and fatty acid oxidation to molecular O 2 by a series of electron carriers. O 2 is reduced to H 2 O
