you need to test both the experiment-organism and an organism which you already know is catalase-positive, in the same environment in order to compare the results and determine if your experiment-organism is catalase-positive. - See more at: http://www.chacha.com/question/why-is-it-advisable-to-perform-a-catalase-test-on-a-known-catalase%26%2345%3Bpositive-organism-along-with-the-organism-you-are-testing#sthash.oChX8ZqW.dpuf
Yes
Organism
an organism
homozygous recessive
no
organism
Amylase is an enzyme and, like most enzymes, it will denature when exposed to high temperatures. Denature means to lose its shape and an enzyme such as amylase is dependent on its shape to perform its function.
The plant's leaves perform photosynthesis
Yes
Any organism with cells that contain chlorophil.
Yes
Perform a test cross. Cross the organism with an organism with a homozygous recessive genotype and use the phenotypes of the offspring and a Punnett square to figure out the unknown genotype.