Which of the following correctly describes the role of actin in muscle contraction?
Explain the difference between a fundamental niche and a realized niche, providing examples from both plant and animal species.
Explain the difference between a fundamental niche and a realized niche.
Provide examples of fundamental and realized niches from both plant and animal species.
Describe how motor units control the strength and precision of muscle contractions.
Describe the process of osmosis and how it affects cell volume.
Which of the following statements about the fluid mosaic model of the plasma membrane is true?
Explain how the sodium-potassium pump maintains membrane potential in neurons.
Which of the following is a characteristic of facilitated diffusion?
Based on the given diagram, describe the process of exocytosis.
Compare and contrast passive transport and active transport.
The diagram shows a food web in a grassland ecosystem. What is the role of the primary consumer in its niche?
