Experimental Design & Biochemistry Review

What are the four macromolecules (biomolecules)?

• Proteins

• Nucleic Acids

• Lipids

• Glucose

• Carbohydrates

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

A student is investigating the effect of water on indoor plants and states, "If water is added to an indoor plant, the air quality will improve." This statement is an example of-

• hypothesis

• theory

• observation

• procedure

What is a bar graph used for?

• The thing that changes in an experiment (also called the manipulated variable)

• The thing that is affected/changed by the experiment (also called the responding variable)

• Used to show change over time or continuous data

• Used to show categories of data and to compare

Which macromolecule's primary function is to provide quick energy?

• carbohydrates

• lipids

• proteins

• nucleic acids

Fats, oils and waxes are examples of?

• carbohydrates

• lipids

• proteins

• nucleic acids

Tags

NGSS.MS-LS1-7

DNA, RNA and ATP are all types of

• carbohydrates

• lipids

• proteins

• nucleic acids

Which of the following is a function of lipids?

• Store energy

• Provide structural support

• Speed up chemical reactions

• Carry genetic information

Which of the following statements are true about water? (Select all correct answers)

• Water is a polar molecule

• Water can form strong bonds with polar molecules

• Water is a nonpolar molecule

• Water is essential for life

What enzyme do mammals produce to digest lipids? (Remember enzymes end in -ase)

• Amylase

• Lactase

• Lactose

• Lipase

What are the two simple sugars produced when lactase hydrolyzes lactose?

• Glucose and fructose

• Glucose and galactose

• Galactose and sucrose

• Fructose and sucrose

Tags

NGSS.MS-LS1-7