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mixer [17]
3 years ago
9

Which statement is an example of a feedback mechanism in humans?

Biology
1 answer:
Snowcat [4.5K]3 years ago
3 0
I think it’s A gotchu
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David has sustained an injury to his neck that has resulted in the complete loss of sensation to the posterior side of his upper
slavikrds [6]

Answer;

Radial nerve

Explanation

-The nerve that is most likely to be damaged as a result of his injury is the radial nerve.

-The radial nerve is a nerve in the human body that supplies the posterior portion of the upper limb.

-It innervates the medial and lateral heads of the triceps brachii muscle of the arm, as well as all 12 muscles in the posterior osteofascial compartment of the forearm and the associated joints and overlying skin.

4 0
3 years ago
Which organelle appears to be empty but is filled with liquid?
exis [7]

Answer:

The answer is vacuole.

Explanation:

8 0
3 years ago
Airway management can be challenging in patients with down syndrome because their:
elena-14-01-66 [18.8K]
Because their TEETH ARE MISALIGNED AND THEY USUALLY POSSESS LONG TONGUE. Respiratory illness is common in people who have down syndrome and their unique airway anatomical factors makes airway management difficult during respiratory distress. For instance, they have narrower upper airway and smaller trachea.
7 0
3 years ago
Cartilage, found in the ears and nose, is a rubbery type of _____ tissue.
Alinara [238K]
<span>The correct answer is CONNECTIVE. Cartilage, one of the types of connective tissue found in the body. It is a smoother and more resilient and flexible type of connective tissue than other types found in the human body and acts as a rubber-like padding at the ends of many of the bones and joints in the body. It is also a structural component of the ears and nose.</span>
8 0
3 years ago
Read 2 more answers
When an enzyme is outside the temperature range, pH range, or both in which it normally functions, what happens to cause it to n
lozanna [386]

Answer:

The increase in temperature reflects an increase in the kinetic energy of the molecules, which favors the collision between the enzyme and substrate molecules. If the optimum pH changes, the conformation of the enzyme is altered and the substrate cannot enter its active site.

Explanation:

The relationship between pH and activity depends on the acid-base behavior of the enzyme and the substrate itself. Substrate and enzyme (active center) can contain acidic and basic functional groups, their degree of dissociation being dependent on pH, which will determine, among other aspects, the conformation of the protein, the binding capacity of the substrate to the active center of the enzyme and the transformation capacity of the substrate. The rate of an enzymatic reaction varies with increasing temperature. Such dependence reflects a double effect of temperature: positive at low values, due to the general increase that the speed of any chemical reaction experiences as temperature increases, and negative at high values, due to the thermal denaturation of the enzyme. That is, the speed of an enzymatic reaction increases as the temperature increases within a certain range, reaching a maximum value at the so-called optimal temperature. At higher values ​​the activity decreases because the enzyme, like any other protein, undergoes denaturing processes and, therefore, inactivation.

6 0
3 years ago
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