A student decides to investigate the effect of temperature on the rate of starch digestion by the enzyme amylase. The following equipment is available: iodine solution, 10% starch solution, 5% amylase solution, stopwatch, pipettes, spotting tiles, test tubes, water baths set at the temperatures 200C, 400C, 600C and 800C. Access to a tap is also possible.

Using the equipment available, outline a method for this investigation

Lucia is walking barefoot in her yard. she accidentally steps on a nail. how will her nervous system work to generate a reaction? arrange the eventschronologically.

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4

Choose the correct words to complete the sentences related to genetic screening. is a procedure that is used during pregnancy to detect genetic defects. is extracted from the uterus and used to identify genetic disorders?