Lactose Is Transported Via Secondary Active Transport into Bacterial Cells

question 44

Multiple Choice

Lactose is transported via secondary active transport into bacterial cells.Which of the following would be absent from a diagram illustrating the mechanism of this transport system?

• A) The direct use of ATP to transport lactose
• B) Coupling of lactose transport to transport of another substance
• C) The formation of a concentration gradient
• D) Diffusion of a substance in the same direction as its concentration gradient
• E) The movement of lactose against its concentration gradient

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Definitions:

Epithelial Tissue

Layers of cells that line or cover the surfaces, both inside and outside the body, serving protective, absorption, filtration, and sensation functions.

Cancerous

Cancerous refers to cells that are malignant and have the potential to invade tissue and spread to other parts of the body.

Extracellular Matrix

A complex network of proteins and polysaccharides that provide structural and biochemical support to surrounding cells.

Collagen And Elastin

Key proteins in the body's connective tissues; collagen provides structural support and tensile strength, while elastin gives tissues their elasticity.