4 is b 5 is a 6 is b 7 is true
Answer: Typhoid fever is a life-threatening infection caused by the bacterium Salmonella Typhi. It is usually spread through contaminated food or water. Symptoms include prolonged fever, fatigue, headache, nausea, abdominal pain, and constipation or diarrhoea.
Explanation:
Answer:
To lose its function
Explanation:
Denaturation of macromolecules such as proteinc or nucleic acid, means that they lose their quaternary structure, tertiary structure, and secondary structure under the influence of a certain factor. The factors that can lead to denaturation are external stress, strong acid or base, a concentrated inorganic salt, radiation or heat. The consequence of denaturation is loss of biological activity for example, loss of the catalytic ability of an enzyme.
Because Saturn takes longer to go around the sun then earth does. Which means Saturn has a longer year then us.
