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Alika [10]
2 years ago
8

How old is Christopher hall

Biology
2 answers:
asambeis [7]2 years ago
5 0

Answer: 60 years old

Explanation:

ArbitrLikvidat [17]2 years ago
3 0

Answer:

He is 54 years of age .

Explanation:

may 18,1965

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What three structures, in order, are involved of the production of mature sperm?
34kurt

Answer:

The three anatomical structures that, in order, contribute to the production of mature sperm are the epididymis, seminal vesicle and prostate.

Explanation:

The sperm and the first seminal fluid are produced and found initially in the seminiferous tubules of each testicle. From there they move on to several structures that contribute to the maturation process:

  1. Each <u>seminiferous tubule </u>drives the sperm to the epididymis, through the vas deferens, where the sperm can be for a long time and complete their maturation process.
  2. From the epididymis, the sperm pass to the seminal vesicle, which produces more seminal fluid to give nutrients to the sperm and facilitate its movement.
  3. Finally, and before being expelled outside, the seminal fluid receives the prostatic secretion in the prostatic urethra, a viscous and whitish liquid that completes the seminal fluid content.

The process of maturation of sperm is of  importance for the process of sexual reproduction.

Learn more:

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3 years ago
A cellular enzyme is effectively deactivated by an increase in temperature of 10°C. Which is the most likely mechanism of deacti
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Answer:

C. The enzyme changes shape and is no longer able to bind the substrate.

Explanation:

The change in heat changed the size of the enzyme. The enzyme changed size and shape which made it incapable of bonding with the substrate.

8 0
3 years ago
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Which region of your brainstem plays a role in arousing you to a state of alertness when, for example, you accidentally stumble
ivanzaharov [21]

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Probably A.

Explanation:

The reticular formation can be said to be a network of nuclei in the brainstem that wakes or alert us to a sharp reaction or occurence at a particular time.

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The disease bullous pemphigoid results in the destruction of proteins within the basement membrane that holds the epidermis and
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This would directly affect the epidermis because blisters will develop within the surface of the skin. Having blisters on the epidermis will decrease the function of the skin to be an effective barrier to disease. This is because blisters are open wounds that are prone to infection. As infection passes through these openings, it will affect the dermis and the other layers of the skin. Bullae is actually an auto-immune skin disease.
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1. One of the characteristics of water is that it can retain heat. Name an item in your household that shares this property and
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Answer:

NUMBER ONE: a) a metal pan b)cover/blanket

Explanation:

a) it retains heat because when its heated, it heats fast, if cooled it cools fast

b) a blanket/cover actually contains heat thats how it gets you warm it traps the heat that enters it and keeps it heated.

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