Biology: Viruses Q & A
2017 GIVE ONE EXAMPLE OF A BENEFICIAL VIRUS Bacteriophages can be used to control bacterial infections DESCRIBE HOW THE VIRUS REPLICATES 1. Virus attaches to a host cell and inserts its...
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2017 GIVE ONE EXAMPLE OF A BENEFICIAL VIRUS Bacteriophages can be used to control bacterial infections DESCRIBE HOW THE VIRUS REPLICATES 1. Virus attaches to a host cell and inserts its...
E X C R E T I O N 2018 WHERE DOES THE HORMONE ADH HAVE EFFECT Collecting Duct DESCRIBE EFFECT Causes the walls of the collecting duct to become porous and permeable to water. More ...
2004 YEAST CELLS PRODUCE ETHANOL IN A PROCESS CALLED FERMENTATION. IS THIS PROCESS AFFECTED BY TEMPERATURE ? Yes. Because the rate of enzyme action is affected by temperature. DRAW A LAB...
2007 WHAT IS MEANT BY IMMOBILISATION? Means fixed in place. Immobilised enzymes are enzymes that are attached,or fixed to each other or to an inert material. NAME A SUBSTANCE THAT IS USED...
2007 STATE A PRECISE ROLE FOR : CARBON DIOXIDE: In the dark stage CO2 is converted to glucose using ATP and NADPH WATER: is split into H+ and OH- ANSWER THE FOLLOWING QUESTIONS IN RELA...
2017 NAME 2 REGIONS OF THE VERTEBRAL COLUMN AND STATE THE NUMBER OF BONES FOUND IN EACH. Cervical -7 Sacrum - 5 WHAT ARE INTERVERTEBRAL DISCS MADE OF AND WHAT IS THEIR FUNCTION? Interv...
2007 ROLE OF STRUCTURE A (CHROMOSOMES) To carry genes ________________________________________________________________________________________________ 2008 GIVE THE NAMES OF 2 PROCESS...
2005 DRAW AND LABEL A DIAGRAM TO SHOW THE BASIC STRUCTURE OF A BACTERIAL CELL STATE TWO WAYS IN WHICH A BACTERIUM DIFFERS FROM A HUMAN CELL Bacteria contain a plasmid which is a circula...
NAME THE VASCULAR TISSUE THAT TRANSPORTS THE PRODUCTS OF PHOTOSYNTHESIS? Phloem GIVE 2 STRUCTURAL FEATURES OF THIS TISSUE 1. Phloem consists of long, tubular sieve tubes. 2. Phloem consis...
EXPLAIN THE TERM IN VITRO FERTILISATION Involves removing eggs from the ovary and fertilising them outside the body. SUGGEST A REASON FOR THE REMOVAL OF SEVERAL EGGS A number of eggs ...