Chemistry and Biochemistry Overview

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary function of biological catalysts, also known as enzymes, in chemical reactions?

They change the equilibrium position of the reaction.
They increase the energy requirement of the reaction.
They are consumed in the reaction and thus need to be replenished.
They lower the activation energy necessary for the reaction. (correct)

Which of the following statements about osmosis is correct?

Osmosis is independent of temperature variations.
Osmosis occurs only in solid states of matter.
Osmosis requires energy input to occur.
Osmosis is the movement of water from a region of low solute concentration to high solute concentration. (correct)

Which group of compounds is primarily involved in the structural composition of organisms and includes carbohydrates, lipids, and proteins?

Synthetic polymers and plastics.
Inorganic minerals and trace elements.
Small nucleic acid molecules.
Biomolecules and macromolecules. (correct)

What role do nitrogenous bases play in nucleotides?

<p>They are responsible for genetic coding and information storage. (C)</p> Signup and view all the answers

Which class of natural products is primarily characterized by alkaloids and terpenes?

<p>Secondary metabolites. (B)</p> Signup and view all the answers

Flashcards

Acid-Base and pH

Understanding ionization, acids, bases, salts, and how pH is controlled by buffers.

Osmosis

The movement of water across a semipermeable membrane driven by differences in solute concentration.

Enzyme Catalysis

Biological catalysts (enzymes) that speed up chemical reactions in living organisms.

Plant Nutrients

Essential elements for plant growth; macro, micro, and trace elements, and how they are obtained from the soil, including their role and availability.

Signup and view all the flashcards

Biological Macromolecules

The classification and properties of carbohydrates, lipids, and proteins, as well as their roles in living organisms

Signup and view all the flashcards

Study Notes

Chemistry Topics

Ionization, acids, bases, salts, pH, and buffers are covered.
Osmosis, osmotic pressure, and laws of osmotic pressure are included.
Catalysis, its theory, biological catalysis, and enzymes are discussed.
Colloids, their applications, inorganic colloids, and organic colloids.
Biological significance of plant nutrients, macro, micro, and trace elements, and their role and availability.

Biochemistry Topics

Classification and properties of carbohydrates, lipids, and proteins.
Nitrogenous bases, nucleosides, nucleotides, RNA, and DNA: their structure, properties, and role.
Natural products, introduction, alkaloids, and terpenes.
Classifications and properties of plant pigments.