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Does a stimulus traveling toward a synapse appear to open calcium ion channels in the axon terminal?
Yes, a stimulus triggers the opening of voltage-gated calcium channels in the axon terminal. When activated by an action potential, these channels allow calcium ions to enter the axon terminal, which then triggers the release of neurotransmitters into the synaptic cleft.
What is the tropism?
movement of or growth of plant in response to external stimulus. e.g. growth of root towards gravity - geotropism growth of shoot towards the light - phtotropism hydrotropism is exhibited by lengthening of roots towards water source and finally, thigmotropism is growth towards solid objects -support by climbers
Which is not a characteristic of chemical equilibrium?
The ONLY characteristics of an equilibrium are:sort of reactants and products involvedconcentration of all components in the continuous phasetemperatureThe others are non-characteristic
The phase of matter depends on what?
Heat and pressure are the two main factors that determine a substance's current phase.With high heat a substance's phase drifts toward the gaseous phase while freezing temperatures cause it to move toward its solid phase. With pressure it is the opposite. Higher pressures push the substance toward its solid phase, while lower pressures will encourage the substance to evaporate into its gaseous phase.
What happens to the reactants that form products to the stability of the chemical system?
When reactants form products, they release or absorb energy to reach a new stable state. The products are typically more stable than the reactants, which leads to a decrease in the overall energy of the system, making it more thermodynamically favorable. This process tends to drive the reaction in the forward direction toward the equilibrium state.
What is a plant's movement away from or toward a stimulus?
Tropism is the movement of a plant away from or toward a stimulus. The most easily found example of tropism is a plant's response to light. Plants tend to grow toward the light. This tendency is called 'phototropism'.
What process causes the plants stem to bend toward the light?
This is due to tropic movement(tropism) in plants in which the fixed part of a plant(such as stem) moves in response to a stimulus.If the stimulus is light(as you have asked) then it is termed as Phototropism.And further more stem shows positive phototropism.
What is the difference between taxis and tropism?
Tropism: is the growth response of a plant that results from certain stimuli. Tropism can be positive, in which case the plant will bend toward the stimulus, or negative, in which case the plant will bend away from stimulus. Taxis: Taxis in animals is the responsive movement of going toward or away from an external stimulus.
A plant's growth response toward or away from a stimulus is called a?
tropism. Tropisms can result in growth toward (positive) or away from (negative) a stimulus, such as light or gravity.
What is tropic movement?
when the fixed part of a stationary plant moves in response to a stimulus the reaction is known as tropic movement.or the movement in which fixed part of stationary plant moves in response to a stimulus is known as tropic movement or tropism.
What is the tendency of a plant to grow toward a stimulus called?
The tendency of a plant to grow toward a stimulus is called positive tropism. This can be in response to light (phototropism), gravity (gravitropism), or touch (thigmotropism).
Is tropism an adaptation of movement a plant makes to situate itself toward light?
Yes, tropism is a plant's growth response to a stimulus like light. Phototropism, in particular, is a plant's movement toward or away from light to maximize photosynthesis. This adaptation helps plants optimize their exposure to sunlight for optimal growth and survival.
What is the theory that the landmasses on the earths crust slowly move away or toward each other?
Movement of landmasses on the earth's crust is a dynamic that is termed plate tectonics. Use the link below to the related question for more information.
How are stimulus and response related?
our senses will detect stimulus and send impulse into the integrating centre(brain) to interpret. the brain will produce appropriate response toward the stimulus to the effector. e.g when Telephone ring, the ears will detect the stimulus(sound) and the brain will produce the response to pick up the phone (copy from Yahoo answers)
When a plant grows toward light is the suns light the stimulus?
Yes, the sun's light is the stimulus that causes a plant to grow towards it, a process known as phototropism. The plant's cells detect the direction of the light source and auxin hormones help to promote growth on the shaded side, causing the plant to bend towards the sunlight.
If you were observing an organism through the microscope and noticed that it moved toward the bottom of the slide and the it moved to the right. what does this tell you about the actual movement of th?
The organism's movement towards the bottom and then to the right suggests that it may be exhibiting random or exploratory behavior. It could be searching for food, avoiding a stimulus, or navigating its environment. Further observation and analysis would be needed to determine the exact reason for its movement.
What is the medical term meaning movement toward the midline?
A movement toward the midline is called adduction. Adduct means to bring towards the center. The opposite, "abduction" is moving away from midline.
