DNA vs RNA: Structure, Function, and Differences

Play an AI-generated podcast conversation about this lesson

Which molecule functions as a blueprint for genetic information and replicates DNA?

Ribose

Deoxyribose

RNA

DNA (correct)

What is the structure of DNA, consisting of two strands arranged in a double helix, made up of?

Nucleotides (correct)

Phosphates

Ribose sugar molecules

Nitrogenous bases

Which base is unique to RNA and replaces Thymine in its nucleotide sequence?

Uracil (correct)

Cytosine

Guanine

Adenine

Where is RNA primarily formed before being transported to specialized regions in the cell?

Nucleolus Signup and view all the answers

What is the main purpose of homeostatic regulation in living organisms?

To maintain a stable internal environment Signup and view all the answers

Which factor is NOT considered for grouping organisms into domains and kingdoms?

Color of the organism Signup and view all the answers

What happens to a system in dynamic equilibrium when it is disturbed?

Regulatory devices respond to establish a new balance Signup and view all the answers

Which statement best describes the process of feedback control in dynamic equilibrium systems?

It helps in establishing a new balance after a disturbance Signup and view all the answers

Which molecule is the most abundant in cells, whole organisms, and on earth?

Water Signup and view all the answers

What is the main function of water in the body?

Regulates body temperature Signup and view all the answers

What is the base structure of carbohydrates?

CH2O Signup and view all the answers

What are electrolytes in the context of the text?

Small molecules like mineral ions and salts Signup and view all the answers

Which type of lipid is responsible for cell membrane structure?

Phospholipids Signup and view all the answers

Why is water considered a natural solvent in cells?

To dissolve macromolecules and small molecules Signup and view all the answers

Why must water-soluble vitamins be consumed regularly?

To prevent shortages or deficiencies Signup and view all the answers

Which group of vitamins can be stored in the liver for many years?

Fat-soluble vitamins Signup and view all the answers

What is the main focus of biology?

Study of living things Signup and view all the answers

Which Greek words make up the term 'biology'?

Bio = life, Logos = study Signup and view all the answers

What is homeostasis in biology?

A self-regulating process to maintain stability Signup and view all the answers

Why is the control of body temperature in humans mentioned as an example of homeostasis?

To illustrate the importance of maintaining stability in biological systems Signup and view all the answers