Galaxies with Disks but No Evident Spiral Arms Are Called

question 58

Multiple Choice

Galaxies with disks but no evident spiral arms are called

• A)irregular galaxies.
• B)lenticular galaxies.
• C)barred spiral galaxies.
• D)spheroidal components.

Explain the significance of totipotency in development and cloning.

Describe the processes of cell commitment including determination, differentiation, and morphogenesis.

Identify sources and types of stem cells, including embryonic stem cells and induced pluripotent stem cells.

Discuss differential gene expression and its role in cellular differentiation and organism development.

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Definitions:

Conscious Experience

The awareness of the self, one's thoughts, and the environment, forming the basis of subjectivity and personal experience.

Autonomic Arousal

The activation of the autonomic nervous system, governing involuntary physiological responses to stimuli.

Fear

A primal emotion triggered by the perception of danger, real or imagined, leading to fight-or-flight responses.

James-Lange Theory

A theory of emotion suggesting that physiological arousal precedes and causes the emotional experience, contrary to the common-sense view.