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taurus [48]
3 years ago
7

The _______________ pathway of RNA interference is a result of double stranded DNA entering a eukaryotic cell.

Biology
1 answer:
Anit [1.1K]3 years ago
3 0

Answer:

siRNA.

Explanation:

The RNA interference may be defined as the evolutionary conserved mechanism that helps in the gene regulation by the silencing of the small RNA molecules. Two main types are  siRNA and miRNA.

The siRNA (small interference RNA) is involved in the protection of the cell by destroying the exogenous ds DNA of the cell. The DICER  enzyme plays an important role in the processing of the small interference RNA and the guide strand of RNA is involved in the gene silencing.

Thus, the answer is option (a).

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What percentage of water is lost through the respiratory system?
HACTEHA [7]
<span>The normal daily input of water is about 2.5 L from beverages food, and metabolism. The normal daily output of 2.5 L consists of 1.8 L in urine, sweat, and feces, plus 0.7 L in insensible water loss. Insensible water loss is water that evaporates through the skin and from the respiratory tract. Insensible losses account for 0.7 L of water loss per day. The average human exhales an average of 0.35 L of water each day. This corresponds to about 14% of water lost through respiration.</span>
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4 years ago
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Considering the ATP cycle, which of the following would have the most potential energy to perform work for cell activities? A. A
Mumz [18]

Answer:

ATP

Explanation:

We are well aware of the fact that ATP is considered to be the energy currency of the cell. If we talk about cell activities it needs an energy input. No doubt that H+ ions play an important role in electron transport chain step of the production of ATP, but the ultimate product which is used by the cell is ATP.

AMP and ADP are also energy sources but they contain less amount of energy as compared to ADP because in ATP there are three phosphate bonds and each bond upon breakage releases almost 7.3 kj/mol of energy. So it definitely will be more in ATP as compared to ADP and AMP.


Hope t help!

3 0
3 years ago
Which of the following has mechanical energy? Battery Burger bun Drawn bow Sunlight
Vladimir79 [104]
Drawn bow because the flexing of the bow and the increased tension in the bow string contain the energy expended by the archer’s muscles transferred to the bow. The energy is transmitted to the arrow when then it’s released. All this is mechanical energy.
The other items in the list have potential electrical energy (battery), locked energy in the nutrients released during digestion (bun), electromagnetic energy (sun).
7 0
3 years ago
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According to the oxygen-hemoglobin dissociation curve, PO2 in the lungs of 100 mm Hg results in Hb being 98% saturated. At high
tatiyna

Answer:

95%.

Explanation:

Oxygen-hemoglobin dissociation curve:

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Here in the above scenario at the high altitude oxygen is less and at 80 mmHg, Hb would be 95% saturated.

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11. Patients who have been denied health care services by their insurance companies have the right to A. validate the data. B. a
Serga [27]
B. Appeal the denial.
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3 years ago
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