How many of the following apply to globular proteins? i. provide structural integrity and strength for many types of tissues. ii. transport and store oxygen and nutrients. iii. act as catalysts. iv. are the main components of muscle, hair, and cartilage. v. fight invasion of the body by foreign objects.

The correct answer is II, III and V.

Explanation:

The globular proteins are generally water-soluble and are spherical in shape. The examples of globular proteins comprise insulin, hemoglobin, and various enzymes found in the body.  

The globular proteins perform various functions as it helps in the storage and transportation of oxygen and nutrients. It performs as catalysts and defends against the foreign agents that invade the body.  

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explanation:

answer: ice crystals in air

the water from the water body or another source of water gets evaporated as water vapor as an effect of heat on water. these water vapor rises in the upper layers of the earth atmosphere under high atmospheric pressure. the atmospheric pressure of these water molecules starts to decrease due to the effect of cold air. the invisible water vapor condenses into visible water droplets and ice crystals.these ice crystals and water droplets being less denser than the surrounding air floats on air as clouds.