Topics: Enzymes and Movement of Substances Quiz
What is active transport?
A. The movement of substances along the concentration gradient (from high to low concentration)
B. The movement of substances against the concentration gradient (from low to high concentration)
C. The movement of substances without the need for energy
D. The movement of substances through osmosis
Select your answer:

Topics:
Pituitary, Thyroid and Adrenal The Nervous System A&P Musculoskeletal World Health Day Mechanical Digestion Nutrition Lipid Glucose in the Body HFT Vitamins Mutation & Genetic Engineering Hospice Basics Heart Major Nutrients Fat Cell Cycle Problems Cell Theory and Cell OrganellesOther quiz:
Musculoskeletal System › ViewBiceps, deltoids, hamstrings, and quadriceps are all examples of _________________ muscles.
A. voluntary
B. involuntary
Types of Nutrients › View
This food is reach in …
A. Meat
B. Carbs
C. Proteins