Sheena and Tina Are Identical Twins Who Developed from a Single

question 137

Multiple Choice

Sheena and Tina are identical twins who developed from a single zygote and share identical DNA. Nevertheless, as they develop, differences in physical and psychological characteristics become evident. These differences are due to:

• A)each twin's unique genetic blueprint.
• B)epigenetic changes.
• C)allele variation.
• D)genotypic changes.

Identify and describe the roles and behaviors of group members, including disruptive behaviors and counterproductive attitudes.

Comprehend the effects of group dynamics on individual behavior, including conformity, hidden agendas, and the influence of personal goals on group objectives.

Explain the importance of a group leader’s roles and strategies in managing group dynamics and in facilitating group goals.

Understand the concept of group norms, their formation, importance, and impact on group cohesion and performance.

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Definitions:

EPSPs

Excitatory PostSynaptic Potentials are electrical changes in the membrane of a post-synaptic neuron that make it more likely to fire an action potential.

Sodium Channels

Protein channels in cell membranes that allow sodium ions to flow into or out of a cell, crucial for processes such as the generation of electrical signals in neurons.

EPSPs

Stands for Excitatory Postsynaptic Potentials, which are temporary increases in neuron membrane potential, making it more likely to fire an action potential.

Temporal Summation

Addition of one graded potential to another that occur close in time.