Week 1/27-1/31

Fats, oils and cholesterol are all types of what?

• cell membranes
• hormones
  hormones
• lipids
• fatty acids

RNA and DNA are which type of macromolecules?

• carbohydrate
• lipid
• nucleic acid
• protein

Many plants have waxy coatings on some surfaces. This coating reduces water loss because it is not water-permeable. This waxy coating is which of the following types of organic molecule?

• protein
• carbohydrate
• nucleic acid
•  lipid

A sugar, a phosphate group, and a nitrogen base form the building blocks of which organic compound?

• carbohydrates
• lipids
• nucleic acids
• proteins

The human body maintains a temperature of around 98.6 degrees at all times. Enzymes are involved in almost every chemical reaction in the body. Which of the following describes the connection between these two statements? 

• Enzymes function best at a specific temperature.
• The body needs to be warm to prevent hypothermia.
  
• The body is kept relatively warm to prevent too much enzyme action. 
• There is no connection between the two statements. 

Tags

NGSS.HS-PS1-5

Like complex carbohydrates, proteins are macromolecules that serve many functions and can be chemically broken down and restructured. Both proteins and complex carbohydrates are which of the following?

•  polymers of smaller subunits
• sequence of sugars
• lipids of large molecules
• nucleotides of DNA

Tags

NGSS.HS-LS1-6

 In living organisms, lipids function mainly as:

• Sources of stored energy and transmitters of genetic information
• Sources of stored energy and components of cellular membranes
• Transmitters of genetic information and catalysts of chemical reactions
• Catalysts of chemical reactions and components of cellular membranes

What is the function of macromolecule subunit below?

• energy
• catalyst
• stores genetic information
• composes the majority of the cell membrane

Proteins are made of monomers called ___________

• Nucleotides
• Monosaccharides
• Amino Acids
• Glycerol and fatty acids

Tags

NGSS.HS-LS1-6

Nucleotides are monomers of

• Carbohydrates
• Lipids
• Proteins
• Nucleic Acids

Tags

NGSS.MS-LS3-1