Is it alive?
This theory states that all living things are made of one or more cells.
Cell Theory
Which structure contains genetic information and helps control the cell?
The Nucleus
A cell needs to make a protein, move it through the cell, and package and ship the protein... Put these organelles in that order: Golgi body, Ribosome, ER
Ribosome → ER → Golgi Body
Which organelle captures light energy to help make food?
Chloroplast
A cell can't release enough usable energy from food. What's broken?
Mitochondria
A scientist finds an organism made of only one cell. Can it still be alive?
Yes! This is an unicellular organism!
A cell needs to release usable energy from food. Which organelle does it depend on?
Mitochondria
What structure controls what enters and leaves the cell?
Cell Membrane
Name one structure found in both plant and animal cells.
Examples: nucleus, mitochondria, ribosomes, ER, Golgi, cell membrane, vacuole
Proteins are being made, but they're not being packaged correctly. What's broken?
Golgi Body
A sunflower bends toward sunlight during the day. Which characteristic of life does this demonstrate?
Response to Stimuli/Adapting to environment
A cell makes a protein successfully, but it cannot package and prepare it for transport. What organelle is probably broken?
Golgi Body
A protein has been made by a ribosome and moved through the ER. Where should it go next to be packaged and shipped?
Golgi Body
You observe a cell with a cell wall and chloroplasts. Is it most likely a plant or animal cell?
Plant Cell
A plant cell can no longer capture light energy to make food. What's most likely damaged?
Chloroplast
A flame grows, uses fuel, and spreads. Why isn't that enough evidence to prove fire is alive?
Living things must meet all characteristics of life, including being made of cells.
⭐ DAILY DOUBLE ⭐
A cell's ribosomes stop working. Predict one problem this would cause AND explain why.
The cell couldn't make proteins, which are needed for many cell structures/functions.
Why is a cell better described as a system than as a collection of unrelated parts?
Its structures have different jobs but work together to keep the cell functioning.
Why do plant cells need chloroplasts while animal cells do not?
Plants use light energy to make their own food through photosynthesis.
A cell's nucleus is severely damaged. Why might this be more serious than losing just one specific cell function?
The nucleus contains genetic information and helps control many cell activities, so many processes could be affected.
Scientists discover something that uses energy, responds to its environment, and reproduces, but it has no cells.
Based on cell theory, should it be classified as living?
No!!! All living things are made of one or more cells.
A cell's membrane becomes damaged and can no longer control what enters and leaves. Explain why this could eventually affect the entire cell.
The cell couldn't properly control needed materials entering or wastes leaving, disrupting other cell processes.
The mitochondria stop releasing enough usable energy. Explain how this could affect organelles that are otherwise working correctly.
Other cell processes need energy, so they may slow or stop even though those organelles aren't damaged.
⭐ DAILY DOUBLE ⭐
A scientist finds a cell with a nucleus, mitochondria, cell membrane, and ribosomes, but no chloroplasts or cell wall. Is it more likely a plant or animal cell? EXPLAIN
Animal Cell - No chloroplasts and a cell wall, which are characteristic of plant cells.
A cell can't control what enters and leaves. What's broken?
The cell membrane!