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Chemistry

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Heath Smitham

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Cards in this guide (10)
Why are organs made up of small cells instead of large cells

Organs are made up of small cells instead of large cells to allow the organs to be not easily harmed. This way if one cell dies or is attacked then the organ will not be damaged. If the cell was larger then the organ might not be able to recover.

What do bacteria have in common with the cells of other living organisms

They have ribosomes.They contain cytoplasm.

Some things bacteria have in common with cells of other living organisms is they both have chromosomes, they both have organelles and a nucleus, and are alive.

they have a cell membrane

What is true of all matter

It takes up space and has mass.

What happens when an atom that has lost an electron comes in contact with an atom that has gained an electron

They form an ionic compound.

What was Rudolf Virchow trying to prove through his work

Spontaneous generation does not happen.

Which one is better for moving more nutrients in and out the cell surface or more volume

more volume decreases the surface area of the cell thus making the distance of transporting nutrients in and out of the cell less. so more volume is better

What is the problem when cell expands and bursts because of high sodium ion around outside

When the sodium ions are in higher concentration out side the cell, the cell shrinks. It does not expand and bursts. It can burst when the sodium ion concentration becomes very low, out side the cell.

What do all cells have in common

They all Contain DNA

Look at the diagram below. Which best describes the structure labeled X in the diagram

A membrane protein is transporting substances. APEX

Which of the following phrases is the best definition of the world map

which of the following phrases is the best definition of the world map

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