Sketch a DNA molecule (in a vertical lateral position) and connect the the appropriate region in the molecule. This region of the molecule is flexible. Due to this, it is possible to open and close the double-helix easily. This part(s) of the molecule is strong and provides a framework for DNA (Covalent bonds). Deoxyribose, nitrogen-containing bases, phosphate groups. This is the opposite complementary strand of the molecule (3 to 5). This strand of the molecule runs in the 5 to 3 direction. Sequence of bases in DNA that store genetic information. Identify the major groove and the minor groove. This part(s) of the molecule is strong and provides a framework for DNA (Covalent bonds).
Anatomy and Physiology of Special Sensory Organs
Sensory organs can be labeled as special sensory structures that permit sight, hearing, odor, and flavor. Sensory structures permitting proprioception, touch, thermal, and pain perception can be classified as more advanced sensory organs. The sensory neurons are trained to find out modifications in the external and internal conditions so that a person's body can react to that change. A stimulus is the first signal that is recognized by any sensory receptor of the body. Stimulus is an impulse generated when there is a change in the surroundings of a person. For example, a heated environment will alert the brain through the thermal sensory organs and generate a reflex accordingly.
Sensory Receptors
The human sensory system is one of the most complex and highly evolved structures, which processes a myriad of incoming messages. This well-coordinated system helps an organism or individual to respond to external stimuli, appropriately. The sensory receptors are an important part of the sensory system. These receptors are specialized epidermal cells that respond to external environmental stimuli. These receptors consist of structural and support cells that form the peripheral unit of the receptor and the neural dendrites which receive and detect the external stimuli.
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