To perform this test to check if gold is real, make a light, tiny scratch on the item using a small nail file. Choose a spot that is not noticeable if possible. Use a dropper to apply a small drop of nitric acid to the scratch. If there is no reaction, then the piece is probably made from real gold.
Answer:
All living organisms are classified into groups based on very basic, shared characteristics. The classification of living things includes 7 levels: kingdom, phylum, classes, order, families, genus, and species . Kingdoms. The most basic classification of living things is kingdoms.
The process of Glycolysis breaks one 6-carbon glucose molecule into two 3-carbon molecules, 2 NADH AND 2ATP molecules.
<h3>What is Glycolysis?</h3>
- Glycolysis is the metabolic process that converts glucose into pyruvic acid to produce energy.
- The process takes place in the cytoplasm of a cell and does not require oxygen.
- It occurs in both aerobic and anaerobic organisms.
- Glycolysis is the primary step of cellular respiration, which occurs in all organisms.
- Six enzymes are involved in the process.
- The end product of the reaction includes 2 pyruvate, 2 ATP, and 2 NADH molecules.
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Answer: Option D
Explanation:
Once the pathogen enters the body, it starts dividing and after a certain period of time the patients experience some sign and symptoms of illness.
The prodromal period occurs just after the incubation period. In this phase the pathogen keeps on dividing and the host begins to experience general symptoms and signs of illness.
This is a result of the activation of immune system of the body which results in the swelling, pain, soreness.
