| Hint | Answer | % Correct |
|---|---|---|
| the active movement of substances up a concentration gradient with the use of energy in the form of ATP | active transport | 70%
|
| the part of the cell cycle in which a eukaryotic cell divides to produce two daughter cells, each with identical copies of DNA | mitosis | 70%
|
| acellular non living particle that contains DNA or RNA but cannot replicate independently | virus | 70%
|
| a permeable layer that surrounds plants, algae and fungal cells made of polysaccharides which provides strength to the cell | cell wall | 68%
|
| an organelle found in eukaryotic cells that stores the genetic material of the cell as chromosomes and is surrounded by a membrane called the nuclear envelope | nucleus | 68%
|
| the passive diffusion of water molecules down a water potential gradient through a selectively permeable membrane without the use of energy | osmosis | 68%
|
| a circular loop of DNA found in the cytoplasm of bacterial cells | plasmid | 62%
|
| an organelle found in plants and algae that is the site of photosynthesis | chloroplast | 59%
|
| an organelle found in eukaryotic cells that is the site of aerobic respiration | mitochondrion | 59%
|
| organelles found either free in the cytoplasm or membrane bound that are involved in the synthesis of proteins | ribosomes | 57%
|
| how much bigger an image appears compared to the original object | magnification | 54%
|
| an organelle found in eukaryotic cells that is involved in the modification and packaging of proteins | Golgi apparatus | 51%
|
| the process where phagocytes engulf and destroy material | phagocytosis | 51%
|
| a virus that attacks T cells in the immune system and can lead to AIDS (acquired immune deficiency syndrome | HIV/human immunodeficiency virus | 49%
|
| a membrane-bound structure found in plant cells that contains cell sap | vacuole/permanent vacuole | 49%
|
| marker molecules that can be detected by antibodies and trigger an immune response | antigen | 43%
|
| the method of cell division used by prokaryotes involving replication of the circular DNA and plasmids followed by cytoplasmic division | binary fission | 43%
|
| a whip-like structure found on bacterial cells that is used for cell movement | flagella | 43%
|
| a type of disease immunity that occurs when a large proportion of a population are vaccinated against a disease which prevents the spread of the disease to unvaccinated individuals | herd immunity | 41%
|
| the passive movement of substances down a concentration gradient through transport proteins without the use of energy | facilitated diffusion | 38%
|
| membrane-bound vesicles found in the cytoplasm that contain a hydrolytic enzyme called lysozyme | lysosomes | 38%
|
| the introduction of dead or inactive pathogens to stimulate an immune response and provide long term immunity | vaccine | 38%
|
| a protein found in the blood that is produced by plasma cells which binds to antigens as part of the immune response | antibody | 35%
|
| a phospholipid bilayer studded with proteins that surrounds cells and separates them from their environment | cell surface membrance/plasma membrane | 35%
|
| the ability to distinguish between two different points in a specimen | resolution | 35%
|
| a membrane-bound organelle that is involved in the synthesis and packaging of proteins | rough endoplasmic reticulum | 35%
|
| a membrane-bound organelle involved in lipid synthesis | smooth endoplasmic reticulum | 35%
|
| a method of membrane transport where two substances are both transported across a membrane at the same time (can be in same or opposite directions) | co-transport | 30%
|
| the passive spreading of substances from a high concentration to a low concentration gradient without the use of energy | simple diffusion | 30%
|
| division of the cytoplasm to produce two new cells | cytokinesis | 27%
|
| a type of T cell in the immune system that stimulates cytotoxic T cells, B cells and phagocytes | helper T cell | 27%
|
| a type of electron microscope which bounces beams off electrons of the surface of an object to develop a 3D image | scanning electron microscope | 27%
|
| type of electron microscope which passes a beam of electrons through a very thin section of a specimen (which has often been stained with heavy metals to show up fine internal structures) | transmission electron microscope | 27%
|
| the series of stages preparing the cell for division consisting of interphase and mitosis | cell cycle | 24%
|
| a form of immunity provided by the immune response of the body upon detection of a pathogen | active immunity | 19%
|
| the first stage of cell fractionation where cells are broken up by a homogeniser | homogenisation | 19%
|
| the clumping together of cells or particles caused by antibodies which assists phagocytosis | agglutination | 16%
|
| the process of matching the antigens on antigen presenting cells with the antigen receptors on B and T lymphocytes | clonal selection | 14%
|
| a form of immunity provided by the introduction of antibodies to a disease into the body | passive immunity | 14%
|
| the production of many genetically identical daughter cells through cell division of the B or T lymphocyte after clonal selection | clonal expansion | 11%
|
| identical antibodies that have been produced by an immune cell that has been cloned from a parent cell | monoclonal antibodies | 11%
|
| where the fragments in filtered homogenate are separated in a centrifuge | ultracentrifugation | 11%
|
| a series of lines on a microscope which can be used to calculate the size of objects | graticule | 8%
|
| the response produced by the immune system when it encounters a pathogen for the first time | primary immune response | 8%
|
| the response produced by the immune system when it recognises a pathogen it has encountered before | secondary immune response | 8%
|
| the process by which cells are broken up to release the organelles they contain | cell fractionation | 5%
|