Bio Lab midterm study

LAB 1: 4.8 cm converted to meters (remember to at m at the end with a space)

LAB 2: If you increase sucrose concentration then enzyme activity will increase.

• This is an example of a Hypothesis

• Theory is a widely accepted concept that ties together many conclusions into a generalized statement

• Experiment tests your hypothesis

LAB 2: If you increase sucrose concentration then enzyme activity will increase.

Which is the independent variable?

• Sucrose concentration

• Enzyme activity is the dependent variable

• Time might be a controlled variable depending on how you tested your hypothesis

LAB 3: Which is the most acidic?

• Lemon juice

• Water

• Ammonia

LAB 3: Which is the most basic?

• Lemon juice

• Water

• Ammonia

LAB 4: Polysaccharides are made up of many?

• Monosaccharides

• Polysaccharides

• Dualsaccharides

LAB 4: We can test for the presence of monosaccharides using the _____ reagent

• Benedict's

• Biuret's

• Iodine

LAB 4: We can test for the presence of proteins using the _____ reagent

• Benedict's

• Biuret's

• Iodine

LAB 4: We can test for the presence of starch using the _____ test

• Benedict's

• Biuret's

• Iodine

LAB 4: What colors are positive for the Biuret reagent.

• Purple

• Green

• Yellow or orange

• Black or dark blue

• All but blue