Biology Fall Exam 2024 Review

Front

What is a mutualistic relationship?

Back

A mutualistic relationship is a type of interaction between two species where both benefit from the relationship, such as bees pollinating flowers while obtaining nectar.

Front

What is diffusion through a semipermeable membrane?

Back

Diffusion through a semipermeable membrane is the process by which molecules move from an area of higher concentration to an area of lower concentration across a membrane that allows certain substances to pass while blocking others.

Front

What is the chemical equation for cellular respiration?

Back

C6H12O6 + O2 -> CO2 + H2O + energy (ATP)

Front

What is DNA?

Back

DNA (deoxyribonucleic acid) is the molecule that carries the genetic instructions for life, composed of two strands forming a double helix.

Front

What are prokaryotic cells?

Back

Prokaryotic cells are single-celled organisms that lack a nucleus and membrane-bound organelles, such as bacteria.

Front

What is facilitated diffusion?

Back

Facilitated diffusion is the process of passive transport of molecules across a cell membrane via specific transmembrane integral proteins.

Front

What is the role of enzymes in biological reactions?

Back

Enzymes are biological catalysts that speed up chemical reactions in cells by lowering the activation energy required for the reaction.

Front

What is the function of the cell membrane?

Back

The cell membrane regulates what enters and exits the cell, providing protection and support while maintaining homeostasis.

Front

What is osmosis?

Back

Osmosis is the diffusion of water molecules through a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.

Front

What is the difference between aerobic and anaerobic respiration?

Back

Aerobic respiration requires oxygen to produce energy, while anaerobic respiration occurs without oxygen and produces less energy.