For a Better Understanding of DNA Structure, It Helps to Be

question 41

Essay

For a better understanding of DNA structure, it helps to be able to compare physical characteristics evident from a side view of double-stranded DNA with those of individual base pairs.
A.Use brackets to designate the major and minor grooves on Figure 5-68A and shade in the surface that will be exposed in the major groove in Figure 5-68B.
B.If base pairs were aligned and stacked directly on top of each other, the major and minor grooves would be linear depressions all along the DNA.Explain why this is not the actual conformation of a DNA molecule. (A)


(B)

Figure 5-68

---

Definitions:

Spinal Cord

The Spinal Cord is a crucial part of the central nervous system housed within the spinal column, responsible for transmitting neural signals between the brain and the rest of the body.

Heartbeat and Breathing

The physiological processes of cardiac rhythm and pulmonary ventilation that are essential to oxygenate the blood and remove carbon dioxide.

Medulla

The lower part of the brainstem, controlling vital functions such as heart rate and breathing.

Little Brain

A colloquial term for the cerebellum, a region of the brain that plays important roles in motor control and cognitive functions.