Once Researchers Identified DNA as the Unit of Inheritance,they Asked

question 6

Multiple Choice

Once researchers identified DNA as the unit of inheritance,they asked how information was transferred from the DNA in the nucleus to the site of protein synthesis in the cytoplasm.What is the mechanism of information transfer?

• A)DNA from a single gene is replicated and transferred to the cytoplasm,where it serves as a template for protein synthesis.
• B)Messenger RNA is transcribed from a single gene and transfers information from the DNA in the nucleus to the cytoplasm,where protein synthesis takes place.
• C)Proteins transfer information from the nucleus to the ribosome,where protein synthesis takes place.
• D)Transfer RNA takes information from DNA directly to a ribosome,where protein synthesis takes place.

---

Definitions:

Contribution Margin

The amount by which sales revenue exceeds variable costs, used to cover fixed costs and generate profit.

Break-Even Point

The point at which total costs equal total revenue, meaning the business does not make a profit or loss.

Degree of Operating Leverage

A financial metric that measures the sensitivity of a company's operating income to its sales, indicating the proportion of fixed to variable costs.

Variable Expenses

Expenses that vary directly with the level of production or sales volume, such as raw materials and direct labor.