Characteristics of Cells

Front

What is the significance of carbon's ability to form four covalent bonds?

Back

Carbon can form a large variety of organic molecules, allowing for complex structures and functions in living organisms.

Front

What role do whip-like tails play in single-celled organisms?

Back

They assist in movement through an environment, enabling the organism to navigate and find resources.

Front

What property of water allows plants to transport water from roots to leaves?

Back

The attraction between water molecules (cohesion) helps in the movement of water through plant tissues.

Front

How does a high fever affect nutrient absorption in body cells?

Back

High temperatures can cause transport proteins to lose their shape, leading to reduced nutrient absorption.

Front

What happens to enzymes at high temperatures?

Back

Enzymes can change shape (denature) and lose their ability to catalyze reactions effectively.

Front

Define covalent bond.

Back

A covalent bond is a chemical bond formed when two atoms share one or more pairs of electrons.

Front

What is the function of enzymes in biological reactions?

Back

Enzymes act as catalysts to speed up chemical reactions without being consumed in the process.

Front

Explain the concept of homeostasis in cells.

Back

Homeostasis is the ability of a cell to maintain a stable internal environment despite external changes.

Tags

NGSS.HS-LS1-3

Front

What is the lipid bilayer?

Back

The lipid bilayer is a double layer of phospholipids that makes up the cell membrane, providing structure and protection.

Front

What is the role of transport proteins in cells?

Back

Transport proteins facilitate the movement of substances across the cell membrane.

Tags

NGSS.HS-LS2-3