Which of the following describes a cell? A cell is a group of organ systems that all contain the same type of tissues.

A cell is a collection of tissues that all perform the same function.

A cell is the smallest unit of organization in a living thing.

A cell is a group of related organs that work together for a common purpose.

What is the next step in muscle contraction after the actin changes shape? (apex)

The graph below compares the rates of reaction of a burning candle and an exploding firework. comparing chemical reactions what can you conclude from the graph? the reaction that causes a firework to explode requires less energy to start, and occurs more rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires less energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs more rapidly than the reaction that causes a candle to burn. mark this and return

Where in the cell are ribosomes made?