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SVEN [57.7K]
3 years ago
7

Cells must be alive to use energy and do work dose passive transport occur in a cell that is dead? Why or why not?

Biology
1 answer:
Orlov [11]3 years ago
6 0

Answer:

<h3>Yes, Passive transport can occur in dead cells.</h3>

Explanation:

For passive transport to occur, a concentration gradient has to be formed across a permeable or semi-permeable membrane. If the cell membrane of the dead cell, which is a semipermeable membrane, is intact and a concentration gradient has formed on both sides, passive transport can occur.

A concentration gradient is the difference in the concentration of solute molecules  across the membrane. Passive transport will allow solute molecules to travel from the higher concentration of the solute to the lower concentration across a membrane till equilibrium is reached, that is, both the sides of the membrane has equal concentration of the solute.

The transport of the solvent can occur as well, from higher concentration to lower concentration.  

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Explain how ATP can be compared to a rechargeable battery.
NeX [460]

Explanation:

when it's fully charged it's a ATP and when it's runs down it's ADP

and there are times when the cells need more energy and splits off another phosphate so it goes from ADP adenoside di-phosphate, to AMP, adenosine mono-phosphate  

and there you have it

6 0
3 years ago
question 4: an atom with 7 protons, 6 neutrons, and 7 electrons, has an atomic mass of blank amu. (Enter a whole number) ​
Ivanshal [37]
Answer : An atom with 7 protons, 6 neutrons,
and 7 electrons has an atomic mass of 13 amu.
Explanation:
As we are give that,
Number of protons
7
Number of electrons =7
Number of neutrons =6
As we know that,
Atomic number =Number of protons = Number
of electrons =7
Atomic mass = Number of neutrons + Atomic
number
Atomic mass = 6 + 7 = 13 amu
Therefore, the atomic mass is, 13 amu
8 0
2 years ago
All of the following are functions of a coelom EXCEPT serving as a hydrostatic skeleton. processing and storing food. allows dig
Likurg_2 [28]

Answer:

Processing and storing food.

Explanation:

The coelom is the hollow structure formed in the organisms filled with the coelom fluid. The coelom is formed during embryogenesis which may be lined by the mesodermal layer or not.

The formation of coelom serves many functions in different organisms like it allows the internal movement of the organs in the body, allows the independent movement of the digestive tract, the fluid present in the cavity acts as a hydrostatic skeleton in the lower organism and cushions the internal organs.

The function that is not performed by the coelom is that it is not involved in the processing and storing food in organisms.

Thus, Processing and storing food is correct.

3 0
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