Carbon, phosphorus and sulphur are examples of

The element which acts as the backbone/skeleton of all organic molecules is

Nucleic acids and proteins are principally made up of which element

Sulphur containing compounds in the cell are

The macronutrient that is associated with cytochromes, ferrodoxins and acts as co-factor of some enzymes

The macronutrient present in ATP energy molecule is

Diatoms synthesize their cell wall with this micronutrient

The organisms which can use reduced inorganic compounds as electron donors are known as

Which of the following amino acids require sulphur for their synthesis?

Which of the following bacteria does not belong to photolithoautotrophy nutritional class?

Nitrifying bacteria belongs to the nutritional class of_______

Which of the following species falls under the category of hydrogen-producing bacteria?

Special type of chlorophyll present in purple sulfur bacteria is

Green sulfur bacteria has a special chlorophyll called

Iron bacteria utilize iron in the form of

Organisms that live on dead and decaying matter are called

Microorganisms that can shift between their modes of nutrition

Movement of molecules from a region of higher concnetration to lower concentration

Passive diffusion requires the help of these molecules to facilitate uptake

Substrate binding proteins are present in

Movement of two molecules in the same direction

Sodium ion gradient is an example of what type of transport

Identify the transport mechanism

A bacteria uses sulphur as source of energy and hydrogen sulphide as source of electron donor. What is its mode of nutrition?