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Scorpion4ik [409]
3 years ago
15

What happens when a cell reaches the Hayflick limit ? Why does this have to happen for the health of the cell?

Biology
1 answer:
DENIUS [597]3 years ago
4 0

Answer:

The Hay-flick Limit is a concept that helps to explain the mechanisms behind cellular aging. The concept states that a normal human cell can only replicate and divide forty to sixty times before it cannot divide anymore, and will break down by programmed cell death or apoptosis.

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Why do some beaches have bigger waves than others??
-BARSIC- [3]

Answer: wherever the wind blows :)

Explantation:  the waves go 90 degrees to the left (southern hemisphere) or the right (northern hemisphere)

also, if it's blowing away from the beach, it causes upwelling,

which brings nutrients from the bottom of the ocean and attracts more organisms.

hope this helps :)

6 0
3 years ago
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Which of these options represents the correct flow of events during meiosis II?
Nuetrik [128]
The correct answer is A.) Sister chromatids pulled to opposite pole, nucleoli form, cytokinesis.  
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3 years ago
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Many pathogenic bacteria species are becoming resistant to antibiotics. Explain how such adaptions can develop through the proce
AfilCa [17]
The genes to be resistant to an antibiotic already exist in the bacteria's genes.  Those whose phenotypes are resistant to the antibiotic will survive the antibiotic which kills the other non-antibiotic-resistant bacteria.  The surviving bacteria will then asexually reproduce, producing more antibiotic-resistant bacteria.
8 0
3 years ago
5.Write observation and conclusion of each of the following activities​
Tomtit [17]

Answer:

Water puts pressure depends on their amount.

Explanation:

On the left side, there is less quantity of water in the tube that put less pressure on the bag present at the bottom and the bag swells slightly while on the other hand, on the right side, there is more amount of water in the tube that puts large pressure on the bag located at the bottom and as a result it swells higher than the other bag so we can conclude that more water puts more pressure and less water puts less pressure.

3 0
3 years ago
If a 2 kg ball is traveling at a speed of 4 m/s, what is its kinetic energy?
MariettaO [177]

Answer:

  • Option D is the correct answer.

Explanation:

It is given that a 2 kg ball is traveling at a speed of 4 m/s, so we have to find its kinetic energy.

KE = 1/2 mv²

KE = 1/2 × 2×(4)²

KE = 1/2 × 2×16

KE = 16 J

<u>Some information about Kinetic Energy</u>.

Kinetic Energy is the energy an object has because of its motion. It is directly proportional to the velocity of the particle and its mass. Kinetic energy is given by,

  • KE = ½mv²
  • It occurs due to the motion of the particle.
  • If a particle at rest position, then the kinetic energy will be zero because that particle won't be accelerating.
6 0
4 years ago
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