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Master Active Transport in Cellular Biology

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Master Active Transport in Cellular Biology

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Questions and Answers

Which type of active transport uses adenosine triphosphate (ATP)?

Primary active transport (correct)

Secondary active transport

Passive transport

Facilitated diffusion

What is the main difference between active transport and passive transport?

Active transport moves molecules from high to low concentration, while passive transport moves molecules from low to high concentration

Active transport occurs in prokaryotic cells, while passive transport occurs in eukaryotic cells

Active transport is faster than passive transport

Active transport requires cellular energy, while passive transport does not (correct)

What are some physiological processes that rely on active transport?

Nutrient uptake, hormone secretion, and nerve impulse transmission (correct)

DNA transcription, translation, and protein synthesis

Photosynthesis, cell division, and DNA replication

Glycolysis, Krebs cycle, and oxidative phosphorylation

Which ion is pumped out of the cell by the sodium-potassium pump?

Sodium ions Signup and view all the answers

What is the role of active transport in cellular biology?

To move molecules or ions against the concentration gradient Signup and view all the answers

Which type of active transport uses an electrochemical gradient?

Secondary active transport Signup and view all the answers

What is the main requirement for active transport to occur?

Cellular energy Signup and view all the answers

What is the direction of movement in active transport?

From an area of low concentration to an area of high concentration Signup and view all the answers

Which process allows molecules or ions to move down their concentration gradient without energy?

Passive transport Signup and view all the answers

What is the role of the sodium-potassium pump in active transport?

To maintain a concentration gradient Signup and view all the answers