Texas Esthetician License Practice Exam

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Prepare for the Texas Esthetician License Exam. Dive into flashcards and multiple-choice questions, each with hints and explanations. Boost your readiness for the test!

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What do human cells need to grow and reproduce?

Ability to replicate DNA
Ability to eliminate waste products
Access to sunlight
Oxygen and nutrients only

The correct answer is: Ability to eliminate waste products

Human cells require a variety of conditions to grow and reproduce, and one essential aspect is their ability to eliminate waste products. When cells metabolize nutrients to gain energy, they produce waste byproducts. If these waste products are not removed, they can accumulate and become toxic to the cells, ultimately inhibiting their function and ability to divide. Therefore, the elimination of waste is crucial for maintaining a healthy environment within the cell, promoting ongoing growth and reproduction. While access to sunlight and oxygen are important for other types of cells (like plant cells) or specific processes, human cells primarily thrive through the intake of nutrients and the removal of waste. The aspect of replicating DNA is critical for the reproduction of cells, but without proper waste elimination, DNA replication and cell division would be negatively affected. Hence, the ability to eliminate waste products is fundamentally crucial for the optimal growth and reproduction of human cells.