BioChemistry > QUESTIONS & ANSWERS > Biochemistry Final Exam - Portage Learning Complete Solutions (All)

Biochemistry Final Exam - Portage Learning Complete Solutions

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True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule. Ans- False True or False: Biomolecules can have two or more different function ... al groups. Ans- True True or False: The following functional group is an amine. C2H5NH2 Ans- True True or False: In a eukaryotic cell, the organelles called peroxisomes serve the purpose of digesting macromolecules. Ans- False True or False: Carbon dioxide has a linear molecular shape AND has a bond angle of 109.5o. Ans- False Of the following, ____________ is not a property of carbon. Forming ionic bonds Forming cyclic structures Forming multiple bonds Forming bonds with oxygen Bonding in long chains Ans- Forming ionic bonds Which of the following is an element not typically found in living organisms? Br Ca H S Na Ans- Br _____________ is a functional group found in carbohydrates. Ans- Alcohols The following functional group is an example of _________. Ch3COCH2CH3 Ans- Ketone A ___________ is a chemical formula that shows how the atoms of a molecule are bonded to one another. Ans- Kekule' structure A collection of two or more macromolecules uniting is called a _______. Ans- Supramolecular Complex An organic compound with this structure, C=C, contains a ________ functional group. Ans- Alkene What element has been called the "super glue" of the chemical world? Ans- C What molecule is the most important for energy storage in cells? Ans- ATP What would be the approximate size of a human cell? 12 μm 1 nm 15 nm 0.2 inch 15 cm Ans- 12 μm For pentane, there are________ carbon and ________hydrogen atoms. Ans- 5, 12 For an organic compound, which structure is the most efficient to draw? Ans- Line bond When writing an organic functional group, scientists often write an "R" as part of the structure. What does the R indicate? Ans- Rest of the molecule According to the module, the study of carbon compounds is referred to as _____. Ans- Organic Chemistry The ___________ functional group was NOT discussed in this module. Alcohol Amine Aromatic Thiol All of these were discussed Ans- All of these were discussed Which number would be closest to the approximate number of ribosomes in an E. coli cell? 9 38 400 1500 26,000 Ans- 26,000 Which of the following would most likely have a cell wall? Monkey cells Snake cells Red algae cells Human red blood cells All of the above Ans- Red algae cells Eukaryotes have molecules that provide a protective structure. This network, which is found in all eukaryotes, is called the _____________. Ans- Cytoskele [Show More]

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