Review for Final Exam 2024

Front

What is a negative feedback loop?

Back

A process in which the body senses a change and activates mechanisms to reverse that change, returning to a set point.

Front

What is the full name of DNA?

Back

Deoxyribonucleic Acid.

Front

Which enzyme unwinds the DNA double helix during replication?

Back

Helicase.

Front

In double-stranded DNA, adenine pairs with which base?

Back

Thymine.

Front

What is the chemical equation for photosynthesis?

Back

6CO2 + 6H2O --> C6H12O6 + 6O2.

Front

What is the role of DNA polymerase?

Back

It synthesizes new DNA strands by adding nucleotides complementary to the template strand.

Front

What is the function of ligase in DNA replication?

Back

It joins Okazaki fragments on the lagging strand to create a continuous DNA strand.

Front

What are the four bases of DNA?

Back

Adenine (A), Thymine (T), Cytosine (C), and Guanine (G).

Front

What is the significance of the set point in homeostasis?

Back

It is the ideal value or range that the body maintains for physiological variables.

Front

What is the process of transcription?

Back

The synthesis of RNA from a DNA template.