Mutations in Certain Components of the Cell-Cycle Machinery in Drosophila

question 41

Multiple Choice

Mutations in certain components of the cell-cycle machinery in Drosophila melanogaster can be used to slow down the rate of progression through the cell cycle in the wing imaginal discs of the fly larvae, without a major effect on the rate of cell growth. As a result, compared to wild-type flies, the wing in the mutant flies would …

• A) have a larger size (area) with a higher number of relatively normal cells.
• B) have the same size, but with a higher number of relatively smaller cells.
• C) have the same size, but with a smaller number of relatively larger cells.
• D) have a smaller size with the same number of relatively smaller cells.
• E) have a smaller size with a smaller number of relatively normal cells.

Differentiate between competitive and noncompetitive enzyme inhibitors and their mechanisms of action.

Describe the effects of environmental factors such as pH and temperature on enzyme activity.

Understand the concept of feedback inhibition and its role in metabolic regulation.

Explain the significance of alosteric regulation in enzyme activity.

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Definitions:

Indians

Refers to the people native to or citizens of India, or to indigenous peoples of the Americas, contextually dependent; the term can also pertain to their cultures, languages, and societies.

Social Structural Conditions

Circumstances in society that influence the organization of individuals and groups, including laws, institutions, and patterns of social organization.

Ethnic Group

A group or population consisting of individuals who have a shared cultural heritage or ancestry.

Underground Railroad

A network of secret routes and safe houses used in the United States during the 19th century to help enslaved African Americans escape to free states and Canada.