Microbiology Answers

Using a good compound light microscope with a resolving power of 0.3 µm, 10X ocular lens, and a 100X oil immersion lens. Would you be able to discern two objects separated by 3 µm? 0.3 µm? 300 nm?

How do bacteria and archaea differ from each other, Compare their cell wall structure, patterns of cytoplasmic membranes and ribosomal entities, and 16S-rRNA?

1.Why do humans get rabies vaccine after exposure and infection? Why getting this vaccine isn't like getting the other vaccines like covid vaccine?(because we know that we get other vaccines before infection) 2. Why don't humans get rabies vaccine in multiple doses and routinely like animals?

Do you think bacteroid is indifferent from a typical Rhizobium? If yes/no- justify your answer.

2. Write down the role of flavonoids and leg hemoglobin in the infection process by Rhizobia.

3. What do you understand by oxidation and reduction reaction? Write down the different types of the oxidation and reduction reactions (with the name of end product) that occur in the sulfur cycles?

4. Soil bacteria conduct N-fixation by two different ways, write down the similar and different characteristics between these N-fixation processes?

Do you think bacteroid is indifferent from a typical Rhizobium? If yes/no- justify your answer.

2. Write down the role of flavonoids and leg hemoglobin in the infection process by Rhizobia.

3. What do you understand by oxidation and reduction reaction? Write down the different types of the oxidation and reduction reactions (with the name of end product) that occur in the sulfur cycles?

4. Soil bacteria conduct N-fixation by two different ways, write down the similar and different characteristics between these N-fixation processes?

Why are most of the probiotic bacteria made up of Gram-positive bacteria but not Gram-negative bacteria?

Can you name a Bangladeshi food that may act as a probiotic supplement? Explain its health benefits and briefly.

Proteins such as enzymes are essential for cellular function. But how do eukaryotic cells take the information contained in DNA and turn it into a protein? Describe the sequence of events that need to take place to make a fully functioning protein such as an enzyme? 

Climate Change refers to changes in the long-term regional (or even global) average of temperature, humidity, and precipitation over seasons, years, or decades. Are Climate Change and Global Warming the same thing? Your stance on climate change and why you believe climate change is or is not occurring. Provide evidence from sources that support your opinion

Describe the structure and function of alveoli.

Climate Change refers to changes in the long-term regional (or even global) average of temperature, humidity, and precipitation over seasons, years, or decades. Are Climate Change and Global Warming the same thing? Your stance on climate change and why you believe climate change is or is not occurring. Provide evidence from sources that support your opinion (check out climate.nasa.gov).