Is Pinocytosis a form of passive transport or active transport? Cards Term movement of molecules from areas of high concentration to areas of low concentration Definition diffusion Term pinocytosis Definition taking fluid into the cell Term pinocytosis; active or passive transport Definition active transport Term phagocytosis Definition taking molecules into cell What type of transport […]

What does it mean when foods are called empty calories? “Empty” literally means “containing nothing.” When it comes to food, empty means that that food contains little or no essential vitamins or minerals. In other words, these foods provide nothing of value to your body beyond calories that create excess pounds. What are the empty […]

What is the main cause of capillarity? Capillarity is the result of surface, or interfacial, forces. The rise of water in a thin tube inserted in water is caused by forces of attraction between the molecules of water and the glass walls and among the molecules of water themselves. The narrower the bore of the […]

How can both surface and underground mining affect miners health? However, this boom may last till the mining activities are continued there. 3. How can both surface and underground mining affect miners’ health? Mining causes serious lung diseases like silicosis, black lung disease, asbestosis etc due to exposure of dust and other harmful chemicals. What […]

Where are unsaturated fats usually found? Unsaturated fats are predominantly found in foods from plants, such as vegetable oils, nuts, and seeds. Which foods contain unsaturated fats list? Foods which are high in unsaturated fats include: oils from vegetables, seeds and nuts, such as sunflower, safflower, rapeseed, olive, walnut and corn oil. spreads based on […]

Is a spider spinning a web a learned behavior? The spinning of the web by spiders is considered an instinctive behaviour as it will spin the same web at any given time and environment without being trained for the shape of web. How does a spider start a web? The spider does this by physically […]

What Membrane Protein helps substances move across the cell membrane? A channel protein, a type of transport protein, acts like a pore in the membrane that lets water molecules or small ions through quickly. Water channel proteins (aquaporins) allow water to diffuse across the membrane at a very fast rate. Ion channel proteins allow ions […]

How do mutations affect the cell cycle? For example, a certain mutation in the gene for hemoglobin causes the disease sickle cell anemia. Cells become cancer cells largely because of mutations in their genes. Often many mutations are needed before a cell becomes a cancer cell. The mutations may affect different genes that control cell […]

What characteristics do all unicellular organisms share? All single-celled organisms contain everything they need to survive within their one cell. These cells are able to get energy from complex molecules, to move, and to sense their environment. The ability to perform these and other functions is part of their organization. Living things increase in size. […]

Does asexual reproduction result in genetic variation? Asexual reproduction and evolution In asexual reproduction an exact genetic copy of the parent organism is produced (a clone ). Unlike sexual reproduction, asexual reproduction only introduces genetic variation into the population if a random mutation in the organism’s DNA is passed on to the offspring. Why is […]