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erica [24]
3 years ago
5

Phalloidin is a toxin from a toadstool (mushroom). You are studying actin dynamics and the effect of phalloidin. You add G-actin

and ATP to a test tube and allow the reaction to come to equilibrium. This produces the light scattering plot below. When you add phalloidin, what will happen to the line?
Biology
1 answer:
adelina 88 [10]3 years ago
6 0

Answer:

Dissociation of actin subunits occurs.

Explanation:

When we add phalloidin to a solution containing G-actin, the phalloidin binds to actin filaments more tightly as compared to actin monomers which leads to a decrease in the constant rate of dissociation of actin subunits from the ends of the filament. This dissociation stabilizes the actin filaments through the prevention of filament depolymerization. So we can conclude that addition of phalloidin to actin leads to stabilizing of actin filaments.

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When a player steps into his/her backswing, where should the weight of his/her body be placed? (1 point) le???? hip right hip ba
Maru [420]
<span>I am going to answer this as a golf player myself
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8 0
3 years ago
People with type o blood are universal donors but can only receive blood form other type o donors
krok68 [10]

Answer:

       O donors can donate to other type

Explanation:   the reason is that O type blood can donate to type  A, B, AB and O is Compatible to other type of blood - but Kidney transplants need the same type of blood.

8 0
3 years ago
Describe the importance of biomes such as forests, freshwater, and marine biomes? How have human actions affected these biomes?
Allisa [31]

Forest biome:  It gives us medicinal plants, woods for commercial purpose. Forests provides us rubber and fibers that is very important for the industries for making various products. They also contribute to perform ecological  functions such as carbon storage, nutrient cycling, water and air purification. It also provides habitat to the wildlife.

Freshwater biome:  We use fresh water for drinking water, irrigation, sanitation systems, and in industrial factories. Water used from groundwater, rivers and lakes is regained by rain and snowfall.

Marine biome:  It serves huge amount of oxygen into the environment and absorbs the atmospheric carbon dioxide.

As a result of the activity of human there is a significant decrease in the number of trees. The products now used are synthetically made which were made up of natural fibers previously. The water source such as rivers, lakes, and ponds are polluted due to which many water borne diseases are increasing day by day. The accumulation of waste which are found in marine biome are reducing the number of flora present inside marine ecosystem.

3 0
3 years ago
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What is the difference between an epidemic and a pandemic?
Vilka [71]

Answer:

Pandemic is related to disease and epidemic isn't

Explanation:

6 0
3 years ago
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Which synapse(s) are specifically responsible for the sensitization of the withdrawal response?
qaws [65]

The correct option is (e) sensory neuron to motor neuron, responsible for the sensitization of the withdrawal response.

The central nervous system receives the excitation from a sensory neuron that has been stimulated by its nociceptors. Notably, these fibres deliver excitement to the sensory neuron's cell body, which is located in the spinal cord's dorsal root ganglia. The sensory neuron in the dorsal root ganglion transmits excitatory postsynaptic potentials (EPSPs) to motor neurons and interneurons after receiving the action potential from these fibres.

By releasing neurotransmitters into the central nervous system, the sensory neuron does this. Excited somatic motor neurons contract and depolarize the targeted muscles to complete the withdrawal reflex. The motor neuron, which leaves the spinal cord and enters the peripheral nervous system, is where this depolarization travels.

Therefore, sensory neuron to motor neuron is responsible for the sensitization of the withdrawal response.

Learn more about sensory neuron here:

brainly.com/question/13063876

#SPJ1

7 0
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