Explanation

A holoenzyme is the complete, active enzyme, formed when an apoenzyme (protein part) binds with its cofactor or coenzyme.

It consists of a polypeptide chain plus non-protein component, making it catalytically active.

Explanation

The margin of the prothallus (the gametophyte stage of Adiantum) is typically one cell thick.

This thin edge helps in gas exchange and absorption, important for the fern’s reproduction and development.

Explanation

Explanation

Lactic acidosis is a condition where there is an accumulation of lactic acid in the body.

It does not typically occur in respiratory failure, which involves impaired oxygen exchange.

Explanation

A congenital condition in which the opening of the urethra is on the underside of the penis is called hypospadias.

This condition can affect the function and appearance of the penis and often requires surgical correction.

Explanation

• Global warming is the gradual increase in Earth's surface temperature, primarily caused by human activities releasing greenhouse gases. 
• It leads to rising temperatures, extreme weather events, and altered ecosystems.

Explanation

• During exhalation, the diaphragm relaxes and moves upwards.
• It decreasing the volume of the thoracic cavity and allowing air to leave the lungs.

Explanation

• Flowers are the reproductive structures of plants.
• It is responsible for producing seeds and facilitating sexual reproduction.
• They contain the male and female reproductive organs.
• They are essential for the production of fruits and seeds.

Explanation

• The cotyledon (seed leaf) absorbs nutrients from the endosperm.
• It supplies food to the developing embryo during germination.

Explanation

• Yogurt is made by adding a bacterial culture, typically Lactobacillus bulgaricus and Streptococcus thermophilus, to milk.
• These bacteria ferment the lactose (milk sugar) in the milk.
• It producing lactic acid and causing the milk to curdle and thicken, resulting in yogurt.