THS Biology Fall Exam Review 2024

Front

What is the only characteristic shared by living cells and viruses?

Back

The presence of nucleic acid.

Front

What happens during the process of differentiation?

Back

Only specific sections of DNA sequence are activated to determine the structure and functions of a body cell.

Front

Which two body systems interact when the brain signals the release of hormones?

Back

Nervous and endocrine systems.

Front

What type of symbiotic relationship does a pearlfish have with a sea cucumber?

Back

Commensalism.

Front

What is the correct equation for respiration?

Back

O₂ + sugar → CO₂ + H₂O + ATP.

Front

Define 'nucleic acid'.

Back

Nucleic acids are biomolecules essential for all known forms of life, including DNA and RNA.

Front

What is the role of DNA in cell differentiation?

Back

DNA contains the instructions for building and maintaining an organism, with specific sections activated for different cell types.

Front

What is the difference between mutualism and commensalism?

Back

In mutualism, both species benefit; in commensalism, one species benefits while the other is neither helped nor harmed.

Front

What is the function of the nervous system?

Back

The nervous system transmits signals between different parts of the body and processes information.

Front

What is the function of the endocrine system?

Back

The endocrine system produces hormones that regulate various functions in the body.