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fenix001 [56]
3 years ago
7

What causes the different seasons on earth

Biology
1 answer:
Nadya [2.5K]3 years ago
4 0
The sun moving is what causes the different seasons on earth
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A sodium-potassium pump _____. moves three potassium ions out of a cell and two sodium ions into a cell while producing an atp f
SVETLANKA909090 [29]

Move three sodium ions out of a cell and two potassium ions into a cell while consuming an atp for each cycle

Explanation:

By pumping three (3) Na+ to the outside and two (2) K+ to the inside of the cell, there is a net positive charge on the outside leaving the inside of the cell electronegative. This process is achieved by the Na+/K+ pump and is a process that consumes ATP energy.

This is much more important in a neuron cell who ¾ of its energy is used to maintain  a -70mV resting potential that is important for the nerve to pass impulse when depolarised.

In other cells, the gradient created in important in maintaining the homeostatic osmolarity inside the cell to avoid swelling and lysis of cells due to uptake of excess water by osmosis. The Na+ gradient is also used to import other molecules into the cell such as glucose and amino acids. These molecules are coupled with Na+ and then are absorbed efficiently as the Na+ flow back inside the cell down the Na+ concentration gradient.

Learn More:

brainly.com/question/12673972

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4 0
3 years ago
The term used to describe a harmless organism resembling a harmful one is _____.
postnew [5]
The correct answer to the question above is Batesian mimicry. The term used to describe a harmless organism resembling a harmful one is called Batesian mimicry. Batesian mimicry is a form of mimicry in which harmless organism had adapted to imitate the predators.
6 0
4 years ago
Compare the three types of RNA. Note significant similarities and differences. Use the table below to record your observations.
Alchen [17]

Answer: (Structure) mRNA: always single stranded, rRNA: single stranded, twisted upon itself in some regions, tRNA: cloverleaf-like structure

(Function) mRNA: carries the information in the DNA to the ribosomes where it is translated into amino acids of proteins, rRNA: helps assemble tRNA, mRNA, and amino acids to form the polypeptide chain during protein synthesis, tRNA: acts as an adaptor molecule, which identifies correct amino acids corresponding to the anticodon present on it

Explanation: Plato, you're welcome

6 0
3 years ago
How are helium particles different from real gas particles
vivado [14]
Helium is a real gas also. The only difference I know is that it is inert and does not interact... Same goes with all the Group 8 Noble gases.
8 0
3 years ago
What name is given to the process by which a dissolved substance moves across a boundary without energy being required?
Tanzania [10]
Answer:
passive transport
7 0
3 years ago
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