Answer:
Since hot water has more kinetic energy, any particles that are suspended in it move at a faster rate than in cold water.
Explanation:
Answer:
pulse
axon
action potential
frontal lobe
hypothalamus
occipital
dopamine
Before receiving a nerve impulse, a neuron is at its resting potential, with more negative charges inside the cell than on the outside of the cell. When the neuron receives the nerve impulse, it is depolarized, allowing positive ions to flow across the cell membrane into the neuron. This is called an action potential, and the action potential travels the length of the neuron, taking advantage of the myelin sheath on many neurons. Once the signal has traveled through the neuron, the sodium-potassium pump repolarizes the cell, restoring the resting potential of the neuron.
Explanation:
G-linked proteins are activated by odorants, as well as by sweet, bitter, and umami chemicals, though the specific action in the cell varies. Direct signaling pathways are triggered by sour and salt chemicals.
Gustatory receptors are found on the tongue's papillae and are utilized to sense flavor. The olfactory epithelium of the nasal cavity contains olfactory receptors. These are used to identify different odors. These receptors use sensory nerves to transmit sensory messages to the brain.
Gustatory receptors belong to the cells on the tongue that are specifically designed to perceive taste, whereas olfactory receptors refer to any of the nucleated, specialized cells of the mucous membrane of the nostrils that serve as the receptors for smell. So, the primary distinction between gustatory and olfactory receptors is this.
So, we can say that odorants, as well as sweet, bitter, and umami compounds, induce G-linked protein activities; however, the cellular response is different for each. Acidic and salty substances activate direct signaling pathways.
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Answer: it inhibits plant growth, leading to death.
T<u>hus as this continues in the plant under investigations, the ells and tissues in all parts of the plants ( from the leaves to stem to roots) will die since food and mineral sources have been blocked.</u>
This disrupts normal physiological mechanisms in plants.Thus nutrition, respiration, nervous coordination etc seized. Therefore normal growth will be inhibited,and eventually the plant dies.
<u>Generally the same excitatory effects caffeine has on human physiology mechanism, is applicable to plants. It initially promotes accelerated growth of cells and tissues, and improves physiological process in the plant.But in high concentration, in extended period of time; its becomes toxic,; inhibits growth;leading to death</u>.
Explanation:
Answer:
A nucleus but not a cell wall
Explanation:
