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Anvisha [2.4K]
3 years ago
15

What is the combination of an electrical gradient and a concentration gradient called?

Biology
1 answer:
Anastaziya [24]3 years ago
7 0

Answer: Option D. "electrochemical gradient"

Explanation:

Electrical gradient is defined as the electrical potential acts on an ion that drives it in one or another direction.

Concentration gradient is defined as the movement of particles (solutes) from higher concentration area to lower concentration area, separated by a membrane.

The combination of electrical gradient and a concentration gradient  is called electrochemical gradient  that allows the movement of an ion across a membrane based on solute concentration.

Hence, the correct option is D.

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Suppose that a person takes a fall while hiking and develops tetanus when the pathogen enters through an open wound in their arm
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The tetanus infection is considered to be a Droplet infection.

<h3>What is Tetanus?</h3>

Tetanus is a neurological disease which is characterized by the occurrence of spasms in the muscle.

Tetanus can be caused if initial care does not take place after the wound occurs and therefore, it is very important to immediately take care of the wound.

To treat the wound tetanus immunoglobulin and tetanus toxoids are given to the person, however, it is necessary to give the two injections using different syringes and at different sites, because the immunoglobulin can cause neutralization fo the toxoid.

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4 0
2 years ago
Your teacher is performing an experiment in the lab. She takes a test tube
pishuonlain [190]

Answer:

a. bubbles formed

Explanation:

Bubbles are a sign of gaseous molecules escaping, meaning that something has forced molecules to break apart and escape. A chemical reaction involves any change that directly impacts the molecular formation of a substance.

4 0
3 years ago
Which of these hormones increases ca++ concentration and slightly decreases phosphate ion concentration in the blood?
S_A_V [24]
Parathyroid   hormones (PTH)   increases the        Ca++  concentration  and slightly   decreases   phosphate  ion concentration  in the blood.
   When   Parathyroid  hormone increases, the body  release  more  calcium   from  bones into  blood    which  lead to the increase  in calcium concentration in  the blood. 
    The  parathyroid  hormone increase  in the other hand  led to slightl
y  decrease  in phosphate  ions since   it reduces  the reabsorption  of phosphate    from  proximal  tubule   of the kidney
4 0
3 years ago
Nicotine increases atherosclerosis by the release of which neurotransmitter?
iVinArrow [24]

Adrenaline 

Nicotine is a substance that is addictive in nature commonly found in cigarette, that affect the nervous system by binding to the receptors in the brain and other part of the body. Atherosclerosis is the loss of elasticity or thickens of arteries walls. However, nicotine increases the release of neurotransmitter adrenaline into the blood which subsequently cause the development of atherosclerosis.

3 0
3 years ago
Saliva is a ______ _______ which contains the enzyme salivary amylase.
Andreyy89

Answer:

Saliva contains the enzyme amylase, also called ptyalin, which is capable of breaking down starch into simpler sugars such as maltose and dextrin that can be further broken down in the small intestine. About 30% of starch digestion takes place in the mouth cavity.

6 0
3 years ago
Read 2 more answers
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