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kondaur [170]
3 years ago
14

How does an impulse move during reflex arc? *

Biology
1 answer:
TiliK225 [7]3 years ago
4 0

Answer:

Reflex arcs

Sensory neuron sends electrical impulses to a relay neuron, which is located in the spinal cord of the CNS. Relay neurons connect sensory neurons to motor neurons. Motor neuron sends electrical impulses to an effector. Effector produces a response (muscle contracts to move hand away).

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What is the difference between cleavage Furrough and cell plate
elena-s [515]
What is the difference between a cell plate formation and a cleavage furrowformation? Cell plate formation occurs during cell division in plants whereascleavage furrow form during celldivision in animal cells. Cell plate andcleavage furrow appears in the middle of cell.
5 0
4 years ago
What is an effective recovery plan for the rehabilitation of endangered species?​
Mashcka [7]

Answer:

An endangered species recovery plan is a document describing the current status, threats and intended methods for increasing rare and endangered species population sizes.

Explanation:

When recovery plans are carried out well, they do not simply act as stop gaps to prevent extinction, but can restore species to a state of health so they are self-sustaining. There is evidence to suggest that the best plans are adaptive and dynamic, responding to changing conditions. However, adaptive management requires the system to be constantly monitored so that changes are identified.[10] Surprisingly this is frequently not done, even for species that have already been red listed.[11] The species must be monitored throughout the recovery period (and beyond) to ensure that the plan is working as intended. The framework for this monitoring should be planned before the start of the implementation, and the details included in the recovery plan. Information on how and when the data will be collected should be supplied.

4 0
3 years ago
Another application of the Polymerase Chain Reaction (PCR) is to screen samples for the presence of viruses. For example, rememb
yuradex [85]

Answer:

For the 1st part, the correct answer is option C.  

In a polymerase chain reaction, the amplification of DNA template takes place not RNA. So, prior to going into the process, there is a need to initially convert RNA into DNA with the help of an enzyme reverse transcriptase.  

For the 2nd part, the correct answer is option D.  

The suitable temperature for human DNA polymerase is 37 degrees Celsius, and it gets denatured at greater temperatures. As PCR runs at exceedingly high temperature like 95 degrees Celsius, only Taq DNA polymerase can withstand the temperature. Thus, normal DNA polymerase cannot be utilized in the PCR reactions.  

3 0
3 years ago
Which is present only in eukaryotic cells
neonofarm [45]
Well, a eukaryotic has a Membrane-Bound Nucleus.
4 0
3 years ago
The nurse is beginning the examination of a 4-month-old infant. She takes the infant from the mother's arms to do the exam. Wher
ElenaW [278]

Answer:

In the crib facing the mom.

Explanation:

The infants require the proper medical attention and parental support during any examination. The parental support makes the infant comfortable and reduces his fear.

If the nurse wants to perform any examination on the infant she must place the infant with the position that can allow the infant to see his parent. This provide support to the infant. The crib facing the mom is quite comfortable that keeps the parent in the view.

Thus, the answer is in the crib facing the mom.

7 0
3 years ago
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