Chapter 3 Questions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What types of things are made up of elements? | Everything is made up of elements or a combination of elements.
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| Why is a combination of sugar and salt said to be a mixture? | It is a combination of 2 substances, each of which retains its own properties when combined with the other.
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| What are 3 types of lipids? | fats, oils and phospholipids.
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| What is equilibrium? | when the relative number of molecules in a substance is equal in the two areas.
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| Why do carrots in salt water become limp? | There are fewer water molecules around the carrot cells than inside the carrot cells, water leaves the carrot and moves into the salt solution.
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| Why do salty foods make you more thirsty? | The salt present in the food causes water to leave your cells; the lost water needs to be replaced by the body.
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| What must happen to food molecules for respiration to take place? | they must be broken down into simpler substances and their stored energy released.
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| Where in a cell does fermentation take place? | cytoplasm.
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| What are 4 organic compounds? | carbohydrates, proteins, lipids, nucleic acids
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Iglehart
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