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Ganezh [65]
4 years ago
9

Which of the following statements characterizes an excitatory neuron?

Biology
1 answer:
Makovka662 [10]4 years ago
5 0

It sends an impulse back to the cell body of a neuron

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The HR diagram represents stages in the life cycle of a star.
Veseljchak [2.6K]

white dwarf

Explanation:

A appears on the chart at the point of low luminosity but high surface temperatures. This indicated  a White Dwarf

A red giant is highly luminous stars mainly because of its large size. However, its surface temperature is hot a high when compared to white dwarfs. White dwarf surface temperatures can reach billions of degrees kelvin while red giants reach up to 5000 K on their surface.

A white dwarf is the last sequence of a low-mass star cycle and follows the red giant phase.

4 0
3 years ago
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If a change is made to the DNA sequence what could happen
borishaifa [10]

Answer:

the wrong RNA sequence will be made & therefore the wrong amino acid chain could be made

Explanation:

5 0
3 years ago
Animales that have a symbiotic relationship
storchak [24]
Symbiosis can vary between mutualism, parasitism, and commensalism, tho these grade into each other, it is often difficult to tell which is involved in a given relationship. 
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3 years ago
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A botanist has acquired a group of sweet pea plants. All of the plants have yellow pea pods (the recessive trait), except for on
Julli [10]

Answer:

Cross the green-pod plant with a yellow-pod plant.

Explanation:

To determine the zygosity of a particular individual, the best way is to cross it with a phenotypically recessive individual.

Such a cross in which an individual with unknown zygosity possessing a dominant trait is crossed with an individual possessing a recessive trait is termed as a test cross.

Therefore, in the given situation the zygosity of the green pod needs to be determined and the green pod is a dominant character. Further, it is given that a yellow pod is a recessive trait, therefore a test cross can be performed between the green pod and yellow pod, and then the offsprings can be observed.

if the offsprings are all phenotypically dominant then the green pod is homozygous and if there are phenotypically recessive offspring also present then the green pod is heterozygous genotypically.

8 0
3 years ago
What is the main difference between a scientific law and a theory?
olasank [31]

Answer:A scientific law  is something that will happen 100 percent of the time

but a thoery is something u think will happen like a hypothsis

Explanation:

3 0
3 years ago
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