Bacteria cannot make proteins D. Bacteria has cell wall 8. Methanogens are inclu
ID: 217740 • Letter: B
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Bacteria cannot make proteins D. Bacteria has cell wall 8. Methanogens are included in the domain A. Bacteria C. D. Archaca Eukarya None of the above 9. Which of the following statement is true about bacteria? AThe high mutation rate allow bacteria to adopt to changes in their environments B. Bacteria cannot multiply C. Bacteria are multicellular D. None of the above are exposed to nutrient-poor conditions, they form thick-walled structures that and a small amount of cytoplasm. The structure is known as 10. When bacteria contain the chromosome A Endospores B. Cytosol C. Mitochondria D. Chromosomes 11. What is the role of Bacteria in the Digestive System? A Produce vitamin B12 & vitamin K B. It has no role C. It makes lichens D. It makes trypanosomes 12. Which statement in not true about protists? A. Photosynthetic protists at the base of aquatic food chain B. Euglena is a photosynthetic protist C. Protists have cuticloe D. Protozoan are the heterotopic unicellular protist 13. Humankind's most prevalent diseases are caused by phylum apicomplexan which are protists consist of endoplasmic protozoan. Which of the following disease is caused by these protists? A. Malaria (by Plasmodium) B. Fungal infection C. Bacteriophage infection D. None of the above 14. Which of the following is/are true regarding photosynthetic protists? A. They are called photoautotrophs B. Get their energy source from SUNLIGHT C. Examples include photosynthetic algae, plants, cyanobacteria D. All of the above 15. What does Lichen means? A. Helpful symbiotic relationship between blue/green algae (cyanobacteria) with filamentous fungus B. It is an insectExplanation / Answer
8. B. Archaea .
Methanogens are bacteria belonging to domain archaea that produce methane as a metabolic byproduct.
9. A. High mutation rate enables them to adopt to changes in environment.
10. A. Endospores.
11. A. Produce vitamin B12 and vitamin K.
Some bacteria belonging to phyla firmicutes, bacteriodetes, actinibacteria ive as symbionts in the human gut and produce some important substances such as short chain fatty acids, vitamin K and vitamin B12.
12. C. Protists have cuticle.
Some protists have an outer covering called pellicle but it is not present in all forms of protists.
13. A. Malaria (plasmodium).
14. A. Are photautotrophic.
B. Get energy source from sun.
15. A.
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