Please Use the Following Information to Answer the Question(s) Below

question 15

Multiple Choice

Please use the following information to answer the question(s) below.
A group of six students has taken samples of their own cheek cells, purified the DNA, and used a restriction enzyme known to cut at zero, one, or two sites in a particular gene of interest.
-Analysis of the data obtained shows that two students each have two fragments, two students each have three fragments, and two students each have one only. What does this demonstrate?

• A) Each pair of students has a different gene for this function.
• B) The two students who have two fragments have one restriction site in this region.
• C) The two students who have two fragments have two restriction sites within this gene.
• D) Each of these students is heterozygous for this gene.

Identify factors affecting cognitive performance, including sleep, stress, and expertise.

Understand the biological basis of cognitive changes, including sleep's role in brain function.

Acknowledge the impact of lifestyle factors on cognitive abilities and memory performance.

Comprehend how expertise develops and its peak performance through different life stages.

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Definitions:

Tuberosity

A large rounded projection on a bone, often serving as a site for muscle or ligament attachment.

Clavicle

A long bone that serves as a strut between the shoulder blade and the sternum or breastbone, commonly known as the collarbone.

Scapula

The Scapula, commonly known as the shoulder blade, is a flat, triangular bone located on the back of the shoulder, connecting the humerus with the clavicle.

Sternum

A long flat bone located in the center of the chest, connected to the ribs via cartilage and forming part of the rib cage.