The Difference Between a Student's Experimental Measurement of the Density

question 35

Multiple Choice

The difference between a student's experimental measurement of the density of sodium chloride and the known density of this compound reflects the __________ of the student's result.

• A)accuracy
• B)precision
• C)random error
• D)systematic error
• E)indeterminate error

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Definitions:

Blastula

Hollow ball of cells that forms as a result of cleavage.

Zygote

Diploid cell that forms when two gametes fuse; the first cell of a new individual.

Prostaglandin

A group of physiologically active lipid compounds having diverse hormone-like effects in animals, such as regulating inflammation, blood flow, and the formation of blood clots.

Oxytocin

A hormone and neuropeptide that plays a significant role in social bonding, sexual reproduction, childbirth, and the period after childbirth.