Cells need to bring in molecules to carry out cellular processes. Often, this requires moving the molecules across the cell membrane against the concentration gradient. How do these molecules get into the cell?
A. passive transport by diffusion
B. active transport using ATP
C. passive transport by osmosis
D. osmosis
Select your answer:
Topics:
Compact Bone Fat Integumentary System: Skin Disorder CPR Virus, Bacteria, Immunity Biological Molecules Cell Division Bone Shapes & Long Bone Anatomy Biochemistry/Cells Homeostasis and Disease Musculoskeletal System Medical Terminology Alzheimer Disease and Dementia Body Systems & Anatomical Terms Dentistry CLPT, M.Pharmacy, Pharmaceutics; Regulatory AffairsOther quiz:
Biotechnology › Viewjelly-like substance that holds the organelle in place
A. nucleus
B. cell membrane
C. cell wall
D. cytoplasm
Human Eye and Colorful World › View
The danger signals installed at the top of tall buildings are red in colour. These can be easily seen from a distance because among all other colours, the red light
A. moves fastest in air
B. is absorbed the most by smoke or fog
C. is scattered the least by smoke or fog
D. is scattered the most by smoke or fog