AQA Biology A Level Key Words CELLS - Statistics

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This quiz has been taken 47 times
The average score is 17 of 46

Answer Stats

Hint	Answer	% Correct
the part of the cell cycle in which a eukaryotic cell divides to produce two daughter cells, each with identical copies of DNA	mitosis	71%
the active movement of substances up a concentration gradient with the use of energy in the form of ATP	active transport	68%
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%
acellular non living particle that contains DNA or RNA but cannot replicate independently	virus	68%
the passive diffusion of water molecules down a water potential gradient through a selectively permeable membrane without the use of energy	osmosis	66%
a circular loop of DNA found in the cytoplasm of bacterial cells	plasmid	61%
an organelle found in plants and algae that is the site of photosynthesis	chloroplast	58%
an organelle found in eukaryotic cells that is the site of aerobic respiration	mitochondrion	58%
organelles found either free in the cytoplasm or membrane bound that are involved in the synthesis of proteins	ribosomes	55%
how much bigger an image appears compared to the original object	magnification	53%
an organelle found in eukaryotic cells that is involved in the modification and packaging of proteins	Golgi apparatus	50%
the process where phagocytes engulf and destroy material	phagocytosis	50%
a membrane-bound structure found in plant cells that contains cell sap	vacuole/permanent vacuole	50%
a virus that attacks T cells in the immune system and can lead to AIDS (acquired immune deficiency syndrome	HIV/human immunodeficiency virus	47%
marker molecules that can be detected by antibodies and trigger an immune response	antigen	42%
the method of cell division used by prokaryotes involving replication of the circular DNA and plasmids followed by cytoplasmic division	binary fission	42%
a whip-like structure found on bacterial cells that is used for cell movement	flagella	42%
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	39%
the passive movement of substances down a concentration gradient through transport proteins without the use of energy	facilitated diffusion	37%
membrane-bound vesicles found in the cytoplasm that contain a hydrolytic enzyme called lysozyme	lysosomes	37%
the introduction of dead or inactive pathogens to stimulate an immune response and provide long term immunity	vaccine	37%
a protein found in the blood that is produced by plasma cells which binds to antigens as part of the immune response	antibody	34%
a phospholipid bilayer studded with proteins that surrounds cells and separates them from their environment	cell surface membrance/plasma membrane	34%
the ability to distinguish between two different points in a specimen	resolution	34%
a membrane-bound organelle that is involved in the synthesis and packaging of proteins	rough endoplasmic reticulum	34%
a membrane-bound organelle involved in lipid synthesis	smooth endoplasmic reticulum	34%
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	29%
the passive spreading of substances from a high concentration to a low concentration gradient without the use of energy	simple diffusion	29%
division of the cytoplasm to produce two new cells	cytokinesis	26%
a type of T cell in the immune system that stimulates cytotoxic T cells, B cells and phagocytes	helper T cell	26%
a type of electron microscope which bounces beams off electrons of the surface of an object to develop a 3D image	scanning electron microscope	26%
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	26%
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	18%
the first stage of cell fractionation where cells are broken up by a homogeniser	homogenisation	18%
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	13%
a form of immunity provided by the introduction of antibodies to a disease into the body	passive immunity	13%
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%

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