Biomolecules CA Review

Which Biomolecule performs the following functions: Provide long-term energy storage, insulation for warmth and make up cell membranes?

• Lipids

• Carbohydrates

• Proteins

• Nucleic Acids

Which of the following statements about enzymes is NOT true?

• Enzyme activity is affected by changes in pH

• Enzyme increase the rate of a reaction

• Enzymes are proteins and made up of amino acids

• Enzymes increase the amount of energy needed for chemical reactions in your body

All organisms in the world have DNA as their genetic code. With developments in technology, why is it possible to add, remove or switch genetic traits amongst organisms?

• All organisms are exactly the same

• DNA in each organism is made up of the same building blocks

• Our diets are similar, therefore our bodies work the same way

• All organisms in the world are prokaryotic and share similar structures

The genetic code of a DNA molecule is determined by a specific sequence of

• Phosphates

• Nitrogenous bases

• Number of hydrogen bonds

• Sugar molecules

Which of the following statements best describes what is incorrect about this DNA diagram

• The phosphate is located in the outside

• The deoxyribose sugar is connected to a nitrogenous base

• The bases are paired G-A and T-C

• It is not double stranded

Which Biomolecule performs the following functions: Builds and repairs body tissue, speeds up chemical reactions, and serves as chemical messages amongst other functions

• Lipids

• Carbohydrates

• Proteins

• Nucleic Acids

Which of the following statements is True about the DNA structure shown

• Structure#1 is Deoxyribose sugar

• Structure #2 is Phosphate

• Structure #3 is a Nitrogenous base

• Structure # 4 is a Nucleotide

The diagram shows the steps of an enzyme catalyzed reaction Structure A represents the -

• Carbohydrate

• Enzyme

• Lipid

• Product

Which statement about enzyme activity is best supported by this graph?

• An enzyme's rate of activity increases with time until it becomes inactive

• An enzyme works the same in any time of temperature conditions

• An enzyme is made up of nucleotides as individual building blocks

• An enzyme works best under specific temperature conditions

What are the subunits of DNA and their function?

• Monosaccharides that provide quick energy

• Nucleotides that store genetic information

• Lipids that provide long term energy storage

• Amino acids that provide building blocks for different