lab practical

Benedicts test

reducing sugars (carbs and monosaccharides)

Color for positive reducing sugars

red/orange/yellow

Color for negative in reducing sugars

blue

Biuret test

proteins

Color for positive proteins

purple/violet

Color for negative proteins

blue

I2KI test

starch (carbs/ polysaccharides)

Color for positive starch presence

blue-black

Color for negative starch presence

yellow/ brown

Sudan

lipids

Color for positive for lipids

red and seperation of a red layer on top of the solution.

Color for negative for lipids

colorless and no separation

Dische

nuclleic acid test for RNA

Color for positive nucleic acid

blue

Color for negative nucleic acid

colorless

Scientific method step 1

observation

Scientific method step 2

question

Scientific method step 3

hypothesis

Scientific method step 4

experiment

Scientific method step 5

conclusion

Scientific method step 6 & 7

Report & Publish

reaction that breaks down polynomers and monomers

H2O—> glucose + galactose (hydrolysis)

H2O<— glucose + galactose (dehydration)

what is found in animal cell but not in plant cells

centrioles, centrosomes, and lysosomes

what is found in plant cell but not in animal cells

chloroplasts, central vacuole, cell wall