Unit 6 Review Questions

The diagram below shows an alteration that occurred during the replication process of a portion of a gene. The numbers identify the locations of specific bases in the sequence

This alterations is most likely the result of

• a substitution at base 2

• a deletion of base 4

• an insertion of base 3

• a deletion of base 2

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NGSS.HS-LS3-2

Human genetic material is represented in the diagram below.

The region labeled A is made up of a section of

• a protein that becomes an enzyme

• DNA that may direct protein synthesis

• a carbohydrate made from amino acids

• glucose that may be copied to make DNA

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NGSS.HS-LS1-1

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Changing one base in a gene could have the most direct effect on the

•  function of the membrane of a cell

• sequence of building blocks of a protein found

  in a cell

• number of mitochondria in a cell

• type of carbohydrates synthesized by a cell

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NGSS.HS-LS1-1

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A normal sequence of DNA bases in a single human skin cell is CATGGC. If this sequence replicates in this cell and becomes GATGGC, this alteration will most likely be passed to

• every cell that develops from it

• all human body cells

• offspring of the human

• all skin cells of this person

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NGSS.HS-LS3-2

The diagram below represents a portion DNA molecule.

The letters represent different types of

• sugar molecules

• molecular bases

• enzymes

• proteins

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NGSS.HS-LS1-1

Part of a molecule found in cells is represented below.

Which process is most directly affected by the arrangement of components 1 through 4?

• diffusion through cell membranes

• fertilization of a sex cell

• sequencing of amino acids in cells

• increasing the number of cells in an organism

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NGSS.HS-LS1-1

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The level represented by X is composed of

• four types of base subunits

• folded chains of glucose molecules

• twenty different kinds of amino acids

• complex, energy-rich inorganic molecule

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What is the relationship between these three structures?

• DNA is made up of proteins that are synthesized in the cell.

• Protein is composed of DNA that is stored in the cell.

• DNA controls the production of protein in the cell.

• The cell is composed only of DNA and protein.

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Which statement best describes the main function of this type of molecule?

• It is a structural part of the cell wall.

• It stores energy for metabolic processes.

• It determines what traits may be inherited.

• It transports materials across the cell

  membrane.

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NGSS.HS-LS1-1

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Which molecule is correctly paired with its building blocks?

• cellulose – polypeptides

• DNA – nucleotides

• protein – monosaccharides

• fat – disaccharides