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Passive Transport

By Janice VanCleave

Protein Carrier

Passive Transport: passive: no energy is requiredtransport: to move through a cell membrane. Passive transport is the movement of molecules through a cell membrane without expending any energy. Types of Passive Transport In and Out of Cells. 1. Simple Diffusion is a passive transport in which particles pass through the plasma membrane surrounding a cell. […]

Filed Under: Biology Tagged With: diffusion, facilitated diffusion, osmosis, passive transport

Maceration? Hydrophilic? Osmosis?

By Janice VanCleave

Apple Slices

What does macerate mean? I now have a new word to add to my very limited vocabulary. While I found the word “macerate” in a cooking recipe, it so wonderfully describes what happens to slices of fresh apples when covered with sucrose (table sugar). Covering sliced fresh apples with table sugar causes the apples to […]

Filed Under: Biology Tagged With: hydrophylic, macerate, osmosis

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Welcome to Janice’s Science Extravaganza!

The spoon hanging from the string vibrates when struck and these vibrations are transmitted through the string and the sound is amplified by the plastic cups. ABOUT ME: Hi, I am Janice VanCleave, author of 50 best-selling science experiment books for children ages 4 through high school. I taught science for 27 years. MORE.....

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