Review Chapter

Simple sugars and polysaccharides are types

(a)  

Simple sugars and polysaccharides are types

(a)  

What organic molecules are hydrophobic and function in energy storage?

• lipids

• proteins

• nucleic acids

• carbohydrates

Which of the following are roles of proteins

• Some are biological catalysts

• Some are involved in gene regulation

• Some are involved in moving materials in and out of cells, movement of materials within the cell

• Some have structural roles

• Some are involved in immune defense

What is the name of the structure that separates the cytoplasm from the outside environment of the cell?

• Cell membrane

• Nucleoid

• Golgi apparatus

• Nucleus

Water has a high heat capacity which means it is an excellent substance to use in evaporative cooling. Which property of water accounts for its high heat capacity?

• Its ability to ionize into H+ and OH- and buffer weak acidic and basic solutions.

• Its polar nature and ability to form hydrogen bonds.

• Its non-polar nature and ability to ionize.

• Its small size

• Its non-polar nature and ability to form covalent bonds.

When the bonds of two or more molecules are broken and new ones formed, this is called

• diffusion.

• evaporation.

• a hydrophobic reaction.

• a chemical reaction.

What is the basic building block of matter?

• space

• atoms

• compounds

• molecules

• energy

What are the functions of cell junctions?

• Cell-ECM attachment

• Cell-cell attachment

• Cell-cell signaling

• Control of cell division

If a substance cannot be broken down by chemical means into other substances, then it is defined as a(n)

(a)