Biomolecules And Enzymes: Question Preview (ID: 30829)

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Cell membranes are made of many lipids called
a) triglycerides
b) phospholipids
c) Steriods
d) Hormones

Which of the following biomolecules typically contains both nitrogen and phosphorous (CHONP)?
a) Nucleic Acid
b) Lipids
c) Proteins
d) Carbohydrates

Which of the following provide cells with more energy —
a) Carbohydrates
b) Proteins
c) Lipids
d) Nucleic Acid

Meats and Enzymes are examples of which biomolecule?
a) Carboydrates
b) Lipids
c) Nucleic Acid
d) Proteins

A sugar, a phosphate group, and a nitrogen base form the building blocks of which organic compound
a) Proteins
b) Carboydrates
c) Lipids
d) Nucleic Acid

Examples of Nucleic Acids would be
a) Fats
b) Carbohydrates
c) DNA or RNA
d) Sugars

Which statement best describes the role (job) of enzymes?
a) Enzymes synthesize molecules
b) Enzymes are specific to the molecules in a reaction
c) Enzymes lower the activation energy necessary for cellular reactions thus speeding up the rate of the chemical reaction
d) Enzymes are always asleep.

Which of the following biomolecules typically contains nitrogen (CHON)?
a) Lipid
b) Protein
c) Carboydrate
d) Nucleic Acid

1. Which of the following suggests that the shape of an enzyme determines the enzyme’s function (what it does)? (9C)
a) Enzymes are specific to a substrate.
b) Enzymes can operate in a wide range of conditions.
c) Enzymes are activated by neighboring molecules.
d) Enzymes are bad.

Carbohydrates are more easily metabolized than lipids. However, lipids provide cells with more –
a) Energy
b) Proteins
c) Structure
d) Nitrogen

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