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The Cell Science Challenge

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Questions and Answers

Which element is NOT mentioned as one of the 4 main elements in cells?

Nitrogen (correct)
Carbon
Hydrogen
Oxygen

Approximately how many cells die in the human body every minute?

200 million
100 million
300 million (correct)
30 million

What is the function of the nucleus in a cell?

Protein synthesis (correct)
Cleansing blood
Transmitting nerve impulses
Gas exchange

What is the interstitial fluid derived from?

<p>Blood (A)</p> Signup and view all the answers

What is the approximate range of cell sizes mentioned in the text?

<p>2 micrometers to 1 meter (B)</p> Signup and view all the answers

Flashcards

Main elements in cells

The four main elements in cells are carbon, hydrogen, oxygen, and phosphorus.

Cell death rate

Approximately 300 million cells die in the human body every minute.

Function of the nucleus

The function of the nucleus in a cell is to control protein synthesis and store genetic information.

Source of interstitial fluid

Interstitial fluid is derived from blood and surrounds the cells in tissues.

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Range of cell sizes

Cell sizes range from about 2 micrometers to 1 meter.