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Finger [1]
2 years ago
11

What purpose is served by the enzymes found in the head region? (SPERM CELL)

Health
1 answer:
Len [333]2 years ago
7 0

Answer:

The head of the sperm contains the nucleus. The nucleus holds the DNA of the cell. The head also contains enzymes that help the sperm break through the cell membrane of an egg. The midpiece of the sperm is packed with mitochondria.

Explanation:

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Read 2 more answers
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Answer:

The lead whose positive electrode is placed on the left leg is II or DII (option C).

Explanation:

The electrocardiogram or EKG is a method of recording the electrical activity of the heart, useful for the diagnosis of diseases related to rhythm and heart rate. The 12-lead EKG is commonly used.

The electrode located on the left leg corresponds to the positive pole of the II or D-II lead, a bipolar peripheral lead whose negative pole is on the right arm.  The electrode on the left leg is also the positive pole of the D-III lead, which goes to the left arm, and of the monopolar AVF lead.

The other options are not possible because:

  • <em>AVR and AVL are monopolar leads located in the right and left arms, respectively.</em>
  • <em>I or D-I corresponds to the bipolar lead whose poles are located between both upper extremities.</em>
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Nicolas has been in a gang for many years. Which health problem is he at risk of developing?
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PTSD post traumatic stress disorder

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