Chemical changes occur when bonds are broken and/or formed between molecules or atoms. This means that one substance with a certain set of properties (such as melting point, color, taste, etc) is turned into a different substance with different properties. ... One good example of a chemical change is burning a candle.
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In the small intestine, the
pancreas secretes (pancreatic) lipase to digest triglycerides.
The pancreatic lipase causes
lipolysis by acting as ester bond, breaking the bond and releasing the fatty
acid. Lipids (triglycerides) break down into fatty acids, monoglycerides and diglycerides
enabling the duodenum to absorb it.
Answer: A). A piece of DNA that controls a trait
Explanation: A gene is a functional unit of hereditary. A gene determines the characteristics of an offspring. Genes are said to be functional unit of hereditary because they are transferred from the parents to the offsprings.
A gene is a nucleotide sequence found on a chromosome which determines a trait in an individual.
Answer:
Fermentation:
Fermentation may be defined as the process of conversion of sugar into alcohol and carbon dioxide with the help of microorganisms. This process mainly occurs in the limited supply of oxygen. This is mainly an extracellular process.
Anaerobic respiration:
Anaerobic respiration may be defined as the process of a cellular respiration of an organism. This process mainly occurs in the complete absence of the oxygen. The anaerobic respiration is completely an intracellular process.