1. Red algae produce – Agar used as a medium for culturing bacteria, fungi and algae, also in food industry, cosmetic industry produced by Genus
- Gelidium, Gracilaria, Gagartina.
2. Produce carrageenan (red algae) chrondus crispus which is a component of toothpaste, cosmetics & paints and used in food preservation
3. Alginic acid – from brain algae – Laminaria – used as a gel /thickener in cosmetics, & rubber industry. Also as a dental powder
4. Diatomite – deposits of diatoms, contains silica and is used in industrial filtration e.g in sugar refining and brewing industry.
5. Sea weeds – brown and red algae are used as fertilizers and manures.
Some blue green algae – Nostic, anabaema, spirulina are nitrogen fixers.
6. Brown algae have high iodine content and are used in drugs for treatment of goiter (produced by Laminaria sp)
7. Some can be used as human food & fodder – are rich in vitamins and proteins
8. Are major producers in ecosystems – placed at base of food chain
Kavungya answered the question on March 13, 2019 at 05:31
- Explain the types of Algal divisions.(Solved)
Explain the types of Algal divisions.
Date posted: March 13, 2019. Answers (1)
- Explain the various ways in which Thallus structure occurs.(Solved)
Explain the various ways in which Thallus structure occurs.
Date posted: March 12, 2019. Answers (1)
- Describe the classes of protozoa.(Solved)
Describe the classes of protozoa.
Date posted: March 12, 2019. Answers (1)
- Explain the examples of sexual spores.(Solved)
Explain the examples of sexual spores.
Date posted: March 12, 2019. Answers (1)
- Explain the types of spores.(Solved)
Explain the types of spores.
Date posted: March 12, 2019. Answers (1)
- State the characteristics of spores.(Solved)
State the characteristics of spores.
Date posted: March 12, 2019. Answers (1)
- Name the types of Ascocarps.(Solved)
Name the types of Ascocarps.
Date posted: March 12, 2019. Answers (1)
- Describe the techniques in cultivating viruses(Solved)
Describe virus cultivation techniques.
Date posted: March 12, 2019. Answers (1)
- Describe the modes of viral multiplication.(Solved)
Describe the modes of viral multiplication.
Date posted: March 12, 2019. Answers (1)
- List the characteristics used to group viruses.(Solved)
List the characteristics used to group viruses.
Date posted: March 12, 2019. Answers (1)
- Give the functions of viral capsid.(Solved)
Give the functions of viral capsid.
Date posted: March 12, 2019. Answers (1)
- List the characteristics of viruses.(Solved)
List the characteristics of viruses.
Date posted: March 12, 2019. Answers (1)
- Explain the characteristics of bacteria.(Solved)
Explain the characteristics of bacteria.
Date posted: March 12, 2019. Answers (1)
- Describe the cellular structures of bacteria.(Solved)
Describe the cellular structures of bacteria.
Date posted: March 12, 2019. Answers (1)
- Explain the applications of microbiology in modern day.(Solved)
Explain the applications of microbiology in modern day.
Date posted: March 12, 2019. Answers (1)
- Describe the experiments by early scientists to Approve Abiogenesis(Solved)
Describe the experiments by early scientists to Approve Abiogenesis
Date posted: March 12, 2019. Answers (1)
- Explain the theories explaining the history of Microbiology.(Solved)
Explain the theories explaining the history of Microbiology.
Date posted: March 12, 2019. Answers (1)
- Give the importances of studying microbiology(Solved)
Give the importances of studying microbiology
Date posted: March 12, 2019. Answers (1)
- Explain the Branches of Microbiology(Solved)
Explain the Branches of Microbiology
Date posted: March 12, 2019. Answers (1)