EOC Review - Biomolecules B.9A
Quiz by Biology - Texas Education Agency
High School
Biology(2017)(ARCHIVED)
Texas Essential Knowledge and Skills (TEKS)
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12 questions
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- Q1Proteins and polysaccharides are polymers. These polymers are formed by dehydration synthesis. Which statement correctly identifies a difference in the structure of proteins and polysaccharides?Only proteins can be large molecules with thousands of subunitsOnly proteins are formed from amino acids joined by peptide bondsOnly polysaccharides are comprised of repeating units of cytosine, adenine, guanine, and thymineOnly polysaccharides can be folded and twisted to very specific shapes60sBIOL.9a
- Q2Which of these best represents a fatty-acid molecule?60sBIOL.9a
- Q3Carbohydrates are more easily metabolized than lipids. However, on a gram-for-gram basis lipids provide cells with more -energyproteinsnitrogenstructure60sBIOL.9a
- Q4Which of the following biomolecules typically contains both nitrogen and phosphate?CarbohydrateNucleic acidLipidProtein60sBIOL.9a
- Q5A student preparing for a hike wants to pack a snack that has biomolecules that provide quickly available energy but few excess calories. Which nutrition label lists the best combination of biomolecules that provide quickly available energy while providing the fewest calories from other types of biomolecules?60sBIOL.9a
- Q6The differences between two molecules include the type of sugar that forms a section of the molecules and the identity of one of the four nitrogenous bases that make up another section of the molecules. These two molecules are -lipidsproteinscomplex carbohydratesnucleic acids60sBIOL.9a
- Q7Four different nucleotides are used as building blocks of DNA. Which of the following can be used to distinguish one nucleotide from another?The length of the phosphate groupThe type of fatty acidThe nitrogenous baseThe shape of the deoxyribose sugar60sBIOL.9a
- Q8The complex carbohydrates pictured below are made by linking molecules of glucose. In all three complex carbohydrates, the subunits of glucose are bonded together differently. Because they have different structures, they most likely -contain different chemical elementsform different proteinscarry different nucleotidesperform different functions60sBIOL.9a
- Q9Students were given a list of seven elements and asked to identify the four elements that are most abundant in biomolecules. Which table correctly identifies the four most-abundant elements in biomolecules?60sBIOL.9a
- Q10Proteins and carbohydrates have many functions in the body of an organism. Specific proteins and carbohydrates perform specific tasks. Information about a protein and a carbohydrate is given below. How are ferritin and glycogen similar in their primary functions for an organism?Both store materials needed by the organismBoth support the structure of the organismBoth store energy used by the organismBoth store information for the organism60sBIOL.9a
- Q11An advertisement for a health supplement for dogs claims to build lean muscle and strengthen tendons and ligaments, as well as provide energy. Which two biomolecules must the supplement contain to provide these benefits?ipids and nucleic acidsProteins and carbohydratesCarbohydrates and lipidsNucleic acids and carbohydrates60sBIOL.9a
- Q12Two biomolecules are shown. Which of the following best describes these biomolecules?Molecule X and Molecule Y are both carbohydrates.Molecule X is a carbohydrate, and Molecule Y is a nucleic acid.Molecule X and Molecule Y are both nucleic acids.Molecule X is a nucleic acid, and Molecule Y is a carbohydrate.60sBIOL.9a
