Week 5 Quz Biology

Any compound that donates H+ ions to an aqueous solution and measures less than 7 on the pH scale:

• Acid

• Base

• Solvent

• Solute

Which of the following best compares the structures of lipids and carbohydrates?

• Both are made up of monosaccharide monomers, but lipids are hydrophobic and carbohydrates are hydrophilic.

• Both consist of carbon, hydrogen, and oxygen, but carbohydrates have repeating structural units and lipids do not.

• Both contain carbon and hydrogen, but carbohydrates also contain oxygen and lipids contain nitrogen.

• Both have a carbon backbone, but lipids also have an amino group and carbohydrates have a carboxylic acid group.

_{What particle is found in the nucleus and has no charge?}

• electron
• neutron
• proton
• atom

The 4 macromolecules are

• vitamins, lipids, water, micronutrients
• micronutrients, macronutrients, water, vitamins
• Lipids, Waxes, Vitamin A, Water
• Carbohydrates, Lipids, Proteins, Nucleic Acids

Which biomolecule is important source of energy for humans; glucose for human cells, tissues, and organs; provides fiber, sugar, and starches; provides structural support, cell wall, and cell membrane maker?

• Nucleic Acid
• Lipid
• Carbohydrate
• Protein

_{A negatively charged particle moving around the nucleus of an atom}

• neutron
• proton
• electron 
• ion

Which biomolecule has sugars and starches?

• Lipids
• Proteins
• Carbohydrates
• Nucleic Acid

Which biomolecule includes fats, such as triglycerides, oils, waxes, and steroids (cholesterol); insoluble in water; provides energy storage, insulation, part of cell membrane, and hormones 

• Nucleic Acid
• Lipids
• Carbohydrate
• Protein

Lipids are made up of which of the following?

• glycerol and fatty acids tails
• glycerol and monolipids
• fatty acids and phosolipids
• amino acids and nucleotides

What subatomic particles are found in the nucleus and have a positive charge?

• Neutrons

• electron

• atoms

• protons