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olya-2409 [2.1K]
3 years ago
7

How are sperm cells transmitted? And how does a condom prefent sperm cells in transmitting?

Biology
1 answer:
puteri [66]3 years ago
3 0
A condom acts as a physical barrier that prevents sperm from entering the uterus and reaching an egg. <span>Most </span>male condoms<span> are made of latex. Those made of lambskin may offer less protection against some STDs, including </span>HIV<span>/AIDS, so use of latex condoms is recommended.</span>
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How does the operator region of DNA work to regulate gene expression?
lara [203]

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Explanation:

Operator region are region of DNA (deoxyribonucliec acid) that repressors protein binds to prevent transcription.

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How does knowing the story of Pandora enrich the viewer's experience and understanding of this painting?    
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4 years ago
If the nerve cell connecting the spinal cord to your feet is 1.4 m long, and the nerve impulse speed is 25 m/s, how many seconds
liubo4ka [24]

Answer:

Time taken by the nerve signal for travelling this distance = 0.056 seconds

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The length of nerve cell connecting the spinal cord to the feet = 1.4 m

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Time taken for  the nerve signal to travel this distance is equal to the total " length of nerve cell connecting the spinal cord to the feet" divided by "speed of nerve impulse"

Substituting the given values in above equation, we get -

\frac{1.4}{25}

= 0.056 seconds.

Thus , time taken by the nerve signal for travelling this distance = 0.056 seconds

3 0
4 years ago
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