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photoshop1234 [79]
2 years ago
15

2 Points

Biology
2 answers:
sineoko [7]2 years ago
7 0

Answer:

A

Explanation:

Dmitry_Shevchenko [17]2 years ago
4 0

Answer:

A pH indicator

Explanation:

Trust me.

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The membrane has open K channels, and changing extracellular K concentration results in a change in membrane potential. Changing
MrRissso [65]

Answer: Closed

Explanation:

At  resting membrane potential( RMP) sodium channels remained shut, this is because , previously  in depolarisation,the  voltage  gated sodium  channels  were opened for sodium to diffuse  into the Axon. However   these channels closed  after reaching their refractory period,s.

Therefore a  change  in the extracellular concentration of sodium will not  open them

3 0
3 years ago
In cats, the allele for long hair is recessive to the allele for short hair (so short hair is dominant). if two cats that are he
Mars2501 [29]
25%,1:3 This is due to the heterozygous condition to produce on homozygous long and one homozygous short then two heterozygous short.ie 1:2:1,but short is dominant and heterozygous short ate taken to be short ,thus modifying the ratio to 1:3,1:3 is 25%:75%.therefore homozygous long is 25%.
4 0
3 years ago
You are studying green colorblindness in your family (colorblindness is recessive and on the X-chromosome).
Alina [70]

Answer:

B C and E

Explanation:

4 0
2 years ago
Read 2 more answers
An important condition for the formation of coal is ________.
Anastasy [175]

Answer:

Incomplete decomposition of organic matter due to a lack of oxygen. (Ans D).

Explanation:

Coal is known as the mostly carbon with containing different amounts of oxygen, nitrogen, sulfur, and hydrogen. Coal is formed when Incomplete decomposition of dead plant matter due to a lack of oxygen occurs. In-plant matter because of the pressure, and heat-generating physical, and chemical changes occur which lead to force out oxygen, and carbon deposits left. so, in this time the plant matters become coal.

Coal is divided into three main types which are based on the percentage of hydrocarbon, oxygen, and carbon occurs in the coal.

1) Anthracite coal.

2) Bituminous coal.

3) Lignite coal.

5 0
2 years ago
If black fur is produced by a recessive allele, which genotype is most likely to produce a black individual?
k0ka [10]

Answer:

bb

Explanation:

4 0
3 years ago
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