Biology Solutions Library

Biology Solutions Library

Access over 3,286 Biology video and text solutions to help you complete your homework.

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3,286 solutions

Osmosis

Q. Water passes quickly through cell membranes because: a. the bilayer is hydrophilic. b. it moves through hydrophobic channels. c. water movement ...

Solved • Jul 14, 2017

Introduction to Membrane Transport

Q. Protons are unable to cross the lipid bilayer because: a. the lipid bilayer is too hydrophilic b. protons are nonpolar c. protons are too small ...

Solved • Jul 14, 2017

Concentration Gradients and Diffusion

Q. If O2 is found in high concentration on the outside of a cell: a. energy will be expended to pump it inside the cell. b. it will passively diffus...

Solved • Jul 14, 2017

Simple and Facilitated Diffusion

Q. If glucose needs to enter a cell: a. it will most likely do so by simple diffusion down its concentration gradient. b. it will most likely requir...

Solved • Jul 14, 2017

Introduction to Eukaryotic Organelles

Q. Which of the following is  not the name of a membrane-bound compartment in a eukaryotic cell? a. Ribosome b. ER lumen c. Mitochondrial matrix d...

Solved • Jul 13, 2017

Prokaryotic & Eukaryotic Cells

Q. Which cellular structure is common to both prokaryotic and eukaryotic cells? a. Nucleus b. Endoplasmic reticulum c. Mitochondria d. Plasma memb...

Solved • Jul 13, 2017

Atoms- Smallest Unit of Matter

Q. The chemical behavior (whether it likes to form bonds with other atoms) of an atom is determined by: a. the number of electrons in its outermost e...

Solved • Jul 13, 2017