If Ca⁺ Is Restricted to a Muscle Cell,what Are the Potential

question 47

Multiple Choice

If Ca⁺ is restricted to a muscle cell,what are the potential consequences?

• A)The myosin head would not be able to bind to the actin filament.
• B)The myosin filament would not slide past the actin filament causing a contraction.
• C)ATP is not split causing the release of energy.
• D)All of these are potential consequences.
• E)None of these are potential consequences.

Explain the distinction between mitosis and cytokinesis, and list the processes involved in the M phase of the cell cycle.

Describe the regulatory mechanisms of the cell cycle, including checkpoints.

Determine the chromosome number in gametes and somatic cells of an organism.

Evaluate the consequences of the absence of meiosis in sexually reproducing organisms.

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