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Elena-2011 [213]
2 years ago
5

What is the push up?

Health
1 answer:
Aleonysh [2.5K]2 years ago
8 0

Answer:

What is the push up?

  • Push-ups are exercises to strengthen your arms and chest muscles.
  • It's an exercise in which a person lies facing the floor and, keeping their back straight, raises their body by pressing down on their hands.
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Use a punnett square to determine the possible genotypes of The offspring of a BB x bb cross
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Answer:

Answer in explanation

Explanation:

Since both parents only carry 1 type of allele ( dominant or recessive ), the offspring would have to be heterozygous according to the punnett square.

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Because the dominant allele, in this case B, always shows in the phenotype, the phenotypic ratio would be 1:0. The recessive allele, b, only shows up if both parents pass along a recessive allele.

b) The offspring has a 100% chance of exhibiting trait B

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you try to pick up an object and discover that it is much heavier than you expected. which process must occur in the muscle to i
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The process that must occur is the recruitment of motor units.

Muscles allow us to lift heavy things. They are made of fibers, that when they contract themselves, the tension increases, allowing us to lift objects.

When we want to lift a heavy object, our body contracts the necessary muscles that we will use for that. In other words:

  1. The motor neuron that innervates several skeletal fibers sends the signal to them
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If the object is too heavy and we can not lift it, the process that must occur is the recruitment of motor units. That is to say, that more motor neurons with their fiber muscles (motor units) should be activated to increase the number of fibers contracting themselves to lift the heavy object.

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