outline the roles of the cytoskeleton?
role of vesicles?
role of nucleus?
structure of RER?
structure of SER?
role of vesicles?
role of SER?
role of Golgi?
role of mitochondria?
role of chloroplasts?
role of lysosomes?
structure and role of ribosomes?
outline roles of membranes
define active transport?
what effects the rate of diffusion?
what are the dis-advantages of having genetically identical crops?
pros of plants being able to reproduce asexually?
multicellular organisms need transport systems why?
how can cells adapt to become differentiated?
role of neutrophils in body?
define organ systems?
outline the xylem tissue structure
outline the phloem tissue structure
give 2 examples of epithelial tissues
give 2 examples of connective tissues
list requirements for photosynthesis
how are leaves adapted for photosynthesis?
why do plants need water in their leaves?
why is it important that products of photosynthesis is transported up & down plant?
how does SA:VOL ratio effect diffusion?
define exchange surface?
why do large organisms need special exchange surfaces?
what makes an exchange surface efficient?
list the things that make up the gas exchange system
role of cartilage?
role of smooth muscle?
role of elastic fibres?
define tidal volume?
define vital capacity?
define residual volume?
define inpiratory reserve volume
define expiratory reserve volume
what is a double circulatory system?
list features of a good transport system?
what is an open circulatory system?
what is a closed circulatory system?
which side of the heart pumps deoxygenated blood away form the heart?
which side of the heart pumps blood to the rest of the body?
in what section of the heart is the atrioventricular valves located?
what makes up the artery?
what makes up the vein?
what makes up the capillary?
role of elastic tissue?
role of tissue fluid?
when haemoglobin binds to oxygen it becomes?
how are hydrogen carbonate ions formed?
what is the Bohr effect?
what is the appoplast pathway?
what is the symplast pathway?
what is the vacuolar pathway?
how does water travel up the stem?
how does H2O leave the leaf?
what does evaporation cause?