Chitin Is a Long-Chain Polymer Derived from Glucose

question 50

Multiple Choice

Chitin is a long-chain polymer derived from glucose. It strengthens cell walls of fungi and the outer covering (exoskeleton) of arthropods (including crabs, shrimps, and insects) . The presence of chitin in these groups is likely due to ________.

• A) secondary endoparasitism
• B) horizontal gene transfer
• C) paraphyletic evolution
• D) convergent evolution

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Definitions:

Probability

The degree of likelihood or chance that a specific outcome will take place.

Men

Adult human males.

Three Children

Often used in demographics or studies, it refers to family units or scenarios involving three offspring.

Male Births

The incidence or number of births where the newborn is identified biologically as male.