Movement of a Cell Toward OR Away from a Chemical

question 68

Multiple Choice

Movement of a cell toward OR away from a chemical stimulus is termed:

• A)phototaxis.
• B)taxis.
• C)chemotaxis.
• D)tumble.
• E)motility.

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Definitions:

Allele Frequencies

The proportion or prevalence of different alleles (versions of a gene) in a particular population, which can change over time due to evolutionary pressures.

Blood Stains

Evidence in the form of blood marks left on surfaces, which can be analyzed in forensic science to help reconstruct events at a crime scene.

Cut Marks

Physical evidence on bones that indicates the use of tools by humans or other species to process carcasses.

Fossil Bones

Preserved remains or imprints of bones from ancient organisms embedded in rock strata.