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Biology Chapter on Cellular Function

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Questions and Answers

What was a key contributing factor to the emergence of this discipline in the early 20th century?

The development of computer modeling for biological systems

The introduction of genetic engineering techniques

The merging of chemistry, physiology, and biology (correct)

The necessity to understand cellular processes in isolation

Which statement best reflects a fundamental principle of cellular function in this discipline?

Cells require constant energy to sustain their ordered state. (correct)

Cells derive energy primarily from inorganic compounds.

Cells can maintain their state without regulation of energy levels.

Cells can function effectively without a constant supply of energy.

What misconception might one have about the energy needs of cells?

Energy requirements of cells fluctuate significantly.

Cells continually require energy to uphold their structures. (correct)

Cells can go without energy for extended periods.

Cells need energy only during cell division.

Why is understanding the energy requirements of cells important?

It provides insights into cellular aging processes. Signup and view all the answers

Which area is least relevant in the context of this emerging discipline?

The isolation of individual cellular mechanisms Signup and view all the answers

Which functional group is identified by the formula -COOH?

Carboxyl Signup and view all the answers

What does the hydroxyl group (-OH) signify in a biomolecule?

It is characteristic of alcohols. Signup and view all the answers

Which functional group contains sulfur and is represented by the formula -SH?

Sulfhydryl Signup and view all the answers

Which of the following correctly describes the phosphate group?

It consists of one phosphorus and four oxygen atoms. Signup and view all the answers

What is the primary role of the amino group (-NH2) in biomolecules?

To contribute to protein structure. Signup and view all the answers