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MCB 150 Final Exam Questions And Answers 2023
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MCB 150 Final Exam Questions And Answers 2023
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MCB 150 Final Exam Questions And Answers 2023The designation of an organism as a member of the Archaea would be at which taxonomic level? - Correct Answer-Domain
Cervids are a family of animals that include deer, elk, reindeer, and moose. If you wanted to plot the average size of male and female cervids of different species, the most appropriate graph type to display these data would be a - Correct Answer-bar graph
independent variable is plotted along the ____ axis in bar graphs - Correct Answer-x
the function of the polysaccharide glycogen is - Correct Answer-energy storage in animals
the function of the polysaccharide cellulose is - Correct Answer-structural role in plants
the function of the polysaccharide starch is - Correct Answer-energy storage in plants
the function of the polysaccharide chitin is - Correct Answer-structural role in animals
A single polypeptide can have different functional domains. - Correct Answer-true
A single type of functional domain can be found in different polypeptides. - Correct Answer-true
Identify if each structure is typically found in DNA only, RNA only, or both DNA and RNA: deoxyribose and thymine - Correct Answer-DNA only
Identify if each structure is typically found in DNA only, RNA only, or both DNA and RNA: uracil and ribose - Correct Answer-RNA only
Identify if each structure is typically found in DNA only, RNA only, or both DNA and RNA: phosphate, guanine, adenine, cytosine - Correct Answer-DNA and RNA
Identify the functional group(s) below that contain oxygen. - Correct Answer-Hydroxyl, ketone, carboxyl, phosphate
Ammonium thioglycolate is a common reducing agent in hair treatment. The action of ammonium thioglycolate is to _____ the type of stabilizing force in the keratin in your hair called ______ - Correct Answer-break; disulfide linkages Species A acquires the ability to be resistant to an antibiotic by accepting a fragment of DNA from a donor cell. Species B acquires the ability to perform a cellular function through several million years of trial and error, gradually increasing its reproductive fitness until it becomes an established trait in the species. Species A has demonstrated _______________, and Species B has demonstrated _______________. - Correct Answer-horizontal gene transfer; vertical descent
Using carbon as a reference point, identify if the elements below have electronegativities that are biologically similar to or higher than carbon: sulfur and hydrogen - Correct Answer-similar to carbon
Using carbon as a reference point, identify if the elements below have electronegativities that are biologically similar to or higher than carbon.
oxygen and nitrogen - Correct Answer-higher than carbon
Solution A has a pH of 5. Solution B has a pH of 8. Solution A has a proton concentration _______________ Solution B. - Correct Answer-1,000 times greater than
Each of the biological activities or functions on the left is carried out by a specific type of
macromolecule. Match the activity/function with the type of covalent bond used to join monomers together in that macromolecule.
Glycosidic linkage - Correct Answer-energy storage
Each of the biological activities or functions on the left is carried out by a specific type of
macromolecule. Match the activity/function with the type of covalent bond used to join monomers together in that macromolecule.
ester linkage - Correct Answer-bilayer arrangement of membranes
Each of the biological activities or functions on the left is carried out by a specific type of
macromolecule. Match the activity/function with the type of covalent bond used to join monomers together in that macromolecule.
peptide linkage - Correct Answer-membrane transport
Each of the biological activities or functions on the left is carried out by a specific type of
macromolecule. Match the activity/function with the type of covalent bond used to join monomers together in that macromolecule.
phosphodiester linkage - Correct Answer-info and storage and transmission
What is the chemical formula of an oligosaccharide composed of five pentose sugars? - Correct Answer-C25H42O21
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