If in a Lichen,the Fungal Partner Is a Cyanobacterium,what Does

question 72

Multiple Choice

If in a lichen,the fungal partner is a cyanobacterium,what does the fungus receive from its partner?

• A) sugars
• B) nitrogen compounds
• C) oxygen
• D) oxygen and sugars
• E) nitrogen compounds and sugars

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Definitions:

Deamination

A biochemical process where amino groups are removed from amino acids, typically resulting in the creation of ammonia and keto acids.

Urea

A nitrogenous waste compound produced in the liver, resulting from protein metabolism, and excreted in the urine.

Acidic Blood

Blood with a pH level below the neutral pH of 7.0, often indicating a medical condition or response to environmental stress.

Hydrogen Ions

Positively charged ions (H+) generated when a hydrogen atom loses its electron, playing a crucial role in chemical reactions, including acid-base chemistry.