Four Vectors

question 5

Multiple Choice

Four vectors,
,
,
,and
,are shown in the figure.The sum of these four vectors is a vector having magnitude and direction

• A)4.0 cm,along +x-axis.
• B)4.0 cm,along -x-axis.
• C)4.0 cm,along +y-axis.
• D)4.0 cm,along -y-axis.
• E)4.0 cm,45° above +x-axis.

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Definitions:

Starch

A carbohydrate consisting of a large number of glucose units joined by glycosidic bonds, primarily found in plants and used as an energy store.

Carboxypeptidase

An enzyme that breaks down proteins by hydrolyzing the peptide bonds at the carboxyl end of the protein.

Microvilli

Minute projections from the surface of some cells, increasing surface area and facilitating absorption, such as in the intestines.

Goblet Cells

Epithelial cells found in the respiratory and intestinal tracts that secrete mucus to lubricate and protect the linings.