Cell Communication and Homeostasis

What is the term used to describe the state of constant physical and chemical balance in our bodies?

• Equilibrium

• Homeostasis

• Metabolism

• Osmosis

Tags

NGSS.HS-LS1-3

Which molecule is known for controlling sleep cycles?

• Adrenaline

• Cortisol

• Melatonin

• Insulin

Which hormone is associated with the fight-or-flight response?

• Insulin

• Cortisol

• Estrogen

• Adrenaline

What is required for a cell to respond to a signaling molecule?

• An ion channel

• A lipid bilayer

• A DNA sequence

• A receptor protein

What is the process called where molecules bind to each other to trigger a cellular function?

• Cellular respiration

• Amplification

• Binding

• Signal transduction

Which type of signaling involves cells communicating with themselves?

• Paracrine signaling

• Endocrine signaling

• Direct signaling

• Autocrine signaling

How does endocrine signaling send messages?

• Using electrical signals

• Through direct contact

• Via the bloodstream

• Through the air

What process allows a small number of signaling molecules to have a large effect?

• Amplification

• Osmosis

• Diffusion

• Transcription

What is the effect of adrenaline on the liver?

• It slows down glucose production

• It stops glucose production

• It triggers glucose release into the bloodstream

• It converts glucose into fat

What is the primary role of cell communication?

• To consume nutrients

• To maintain homeostasis

• To produce energy

• To replicate DNA

Tags

NGSS.HS-LS1-3