Puberty

question 122

Multiple Choice

Puberty:

• A) is the same as adolescence.
• B) ends long before adolescence does.
• C) occurs in a single,sudden event.
• D) has an easily identifiable beginning and ending.

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Definitions:

Escape Hypothesis

A theory suggesting that some cellular organelles, such as mitochondria and chloroplasts, originated from bacteria that once entered a host cell and lived symbiotically.

Regressive Hypothesis

A theory suggesting that more complex systems or structures have evolved from simpler precursors through a process of simplification or loss of features.

Virus-first Hypothesis

A theory proposing that viruses existed and evolved before the emergence of cellular life forms.

Nucleic Acid Core

The central part of a virus particle, containing its genetic material, which consists of either DNA or RNA.