Robert Hooke Coined the Term Cell When Studying Thin Slices

question 53

Multiple Choice

Robert Hooke coined the term cell when studying thin slices of cork.These ________ were the first cells observed because ________.

• A)dead plant cells; the thick cells walls did not require high resolution or magnification to view
• B)dead animal cells; they were immobile and did not need to be fixed before viewing
• C)compartments; they were actually the result of multiple cells that had merged and died to form large compartments that were easy to view
• D)immune cells; they produce antibodies that embed in the cell membrane to make it visible
• E)"little rooms"; they were 100 nm in diameter,much larger than most plant cells

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Definitions:

Escherichia Coli

A common bacterium found in the intestines of animals and humans; some strains can cause food poisoning or other illnesses.

Genes

Units of heredity made up of DNA that act as instructions to make molecules called proteins, which determine the physical and biochemical traits of organisms.

Strains

Genetic variants or subtypes of microorganisms, cells, or viruses.

Stable Ecotype Model

A concept in ecology that suggests certain ecotypes or genetically distinct populations within a species remain stable over time due to specific adaptations to their niche.