In the Beadle and Tatum Study, It Was Important That

question 57

Multiple Choice

In the Beadle and Tatum study, it was important that Neurospora was haploid because:

• A) it is easier to grow haploid molds in the laboratory.
• B) haploid molds have simpler nutritional requirements than do diploid molds.
• C) a mutation that arises is not masked by a normal allele on a homologous chromosome.
• D) haploid Neurospora will always mutate.
• E) diploid Neurospora will always mutate.

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Definitions:

ATP

Adenosine triphosphate, a molecule that stores and transfers energy within cells, facilitating many biological processes.

Active Transport

The movement of molecules across a cell membrane from a region of lower concentration to higher concentration, requiring energy.

Facilitated Diffusion

A process of passive transport, as opposed to active transport, where molecules move across a membrane with the assistance of transport proteins, without energy expenditure.

Eggshell Membrane

The thin layer between the eggshell and the egg white, rich in protein and collagen, often used in dietary supplements and cosmetic products.