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Cells
Question | Answer |
---|---|
What are the two types of cells? | Animal and Plant Cells |
What organelle controls what goes in and out of a cell? | plasma membrane |
What cells have chloroplasts and cell walls? | plant cells |
Which cells are specialized for engulfing foreign material? | White blood cells |
Which cell organelles contain instructions for making proteins? | Nucleus |
What forms of cellular transportation helps human cells maintain their sodium and potassium concentration? | A cell membrane pump |
What helps a cell maintain a relatively constant internal temperature | Homeostasis |
To enter or leave a cell, substances must pass through what? | The plasma membrane |
Which of the following types of cells possess a large quantity of mitochondria? | Muscle cells |
Why doesn't every cell in the body respond to every hormone signal? | Not all cells have receptors for every hormone. |
Which of the following organelles convert solar energy into glucose and oxygen? | Chloroplasts |
Which cell organelles are responsible for making most of the cell's ATP? | Mitochondria |
The DNA of a cell is organized into structures. What are these structures called? | Chromosomes |
How does the cell use ATP? | ATP is used to power almost all energy-requiring reactions in the cell. |
Which of a cell's organelles releases energy stored in food? | Mitochondria |
_______ are RNA and protein complexes that are found in all cells. | Ribosomes |
What is a hormone? | A chemical that is used by cells for communication |
What organelle is not found in animal cells? | A large vacuole |
What are the main ways in which animals cells are able to communicate with each other? | Through nerve impulses and hormones |
What cell part receives nerve impulses and hormones from other cells? | Receptor molecules on cell membranes |
What does a cell wall do? | It protects and supports the cell |
Why are chloroplasts important? | They make water, sunlight, and sugar into energy |
What are plant cells? | Very small parts that make up a plant |
What happens when a vacuole releases its store of water? | The plant wits |