When Dictyostelium Discoideum Transitions from Single Cells to a Multicellular

question 32

Multiple Choice

When Dictyostelium discoideum transitions from single cells to a multicellular form,which life characteristics are evident in the multicellular form? (Select all that apply)

• A)metabolism
• B)growth
• C)reproduction
• D)evolution
• E)response
• F)homeostasis

Understand the concept of stress and the body's general adaptation syndrome (GAS) as proposed by Hans Selye.

Identify and explain the stages of the general adaptation syndrome: alarm, resistance, and exhaustion.

Recognize the physiological responses to stress, including the role of the adrenal medulla and the release of catecholamines.

Distinguish between adaptive and maladaptive coping strategies in response to stress.

---

Definitions:

Aneuploidies Viability

The survival and reproductive success of organisms with aneuploidy, a condition of having an abnormal number of chromosomes, which can affect health and development.

Dosage Compensation

A genetic mechanism that balances the dose of X chromosome gene expression between males and females in some species.

Nondisjunction

An error in cell division where chromosomes do not separate properly, leading to gametes with an abnormal number of chromosomes, potentially causing genetic disorders.

Abnormal Cells

Cells that have experienced changes in structure or function, often associated with diseases or conditions.