medium · MCAT Biological & Biochemical Foundations of Living Systems
A molecule moves into a cell against its concentration gradient using energy provided by a pre-existing sodium gradient.
This process is best described as:
- Facilitated diffusion
- Primary active transport
- Simple diffusion
- Secondary active transport
Sign up free to see the explanation and track your rank →
More MCAT Biological & Biochemical Foundations of Living Systems practice
- An electrophysiologist observes a neuron at its resting… Which ion is primarily…
- Which organelle would you expect to be exceptionally well-developed in these cells?
- A researcher discovers that a population of bacteria survives exposure to an antibiotic…
- What genetic term describes a single gene influencing multiple seemingly unrelated traits?
- In the human ear, sound waves cause fluid in the cochlea to… Which cells are responsible…
- Which structure is most likely dysfunctional?
- A scientist is tracking the movement of a secreted protein. If the protein has just left…
- Which molecule acts as a 'fluidity buffer' in animal cell membranes?
All Biological & Biochemical Foundations of Living Systems questions · MCAT study guide · MCAT glossary · MCAT flashcards