To Answer the Following Questions Refer to the Four Items

question 30

Multiple Choice

To answer the following questions refer to the four items listed below.
-This is a collection of host cells that house cloned genomic DNA.

• A)cDNA
• B)Restriction enzymes
• C)Reverse transcriptase
• D)DNA library

Identify the stages and theories of cognitive development proposed by Piaget.

Understand the role of observation and imitation in gender development through social learning.

Recognize different parenting styles and their impact on child development.

Explain the concepts of adolescence and aging, including physical and psychological changes.

---

Definitions:

Mass Extinction

A significant and widespread event in which a substantial proportion of Earth's species die out in a relatively short geological period.

Climate Change

Substantial changes in global or regional climate patterns, notably since the late 20th century, largely attributed to increased levels of atmospheric carbon dioxide produced by fossil fuels.

End-Permian Extinction

The largest mass extinction event in Earth's history, occurring around 252 million years ago and resulting in the extinction of a significant proportion of marine and terrestrial species.

UV-B Radiation

A portion of the ultraviolet spectrum with wavelengths from 280 to 315 nanometers, known for its biological effects, including DNA damage and vitamin D synthesis in skin.