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Free_Kalibri [48]
3 years ago
11

A doctor randomly selects 500 residents of an island and finds that 4 of these residents have a specific gene mutation. Based on

these results, approximately how many of the island's 15,000 residents likely have this mutation?
SAT
1 answer:
SCORPION-xisa [38]3 years ago
6 0

Answer:

120

Explanation:

\frac{4}{500}  \times 15000 = 120

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pshichka [43]

The slow or shuffling gait is caused by gradual progressive loss of control over moments due to inadequate (decreased) levels of the neurotransmitter <u>dopamine</u> in the brain.

<h3>What is are neurotransmitters?</h3>

These are body's chemical messangers which are released at the end of a nerve fibre by the arrival of a nerve impulse and, by diffusing across the synapse

So therefore, the slow gait is caused by gradual progressive loss of control over moments due to inadequate (decreased) levels of the neurotransmitter dopamine in the brain.

Learn more about neurotransmitters:

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6 0
2 years ago
histidine has three ionizable functional groups. complete the equilibrium equations by assigning the proper pKa for each ionizat
charle [14.2K]

Answer:

The equilibrium equations for the three ionizations in histidine with pK_{a} values are in attached document.

Hisidine has three ionizable functional group namely, the carboxylic group, amino group and nitrogen in the imidazole ring.

The structure of histidine in each ionization state is also attached.

Here, as from the attached diagrams the net charge in first, second and third  ionization state is  +1, 0 and -1 respectively.

6 0
3 years ago
schools often use concrete rewards to increase adaptive behaviors. how might this be a disadvantage for students intrinsically m
OleMash [197]

Answer:

Intrinsic motivation is a type of motivation that an individual has that comes internally, that is, the individual does a specific task or activity mainly because he or she enjoys it or wants to learn from it. In this scenario, a student studies or behaves properly because he or she is motivated to become better instead of doing it because he or she will receive a reward or a good appraisal from the teacher or parents.

Explanation:

6 0
3 years ago
PLEASE HELP!
Whitepunk [10]
If I’m pretty sure I think none of these choices are correct. One politics came to rise later in American history. Second, voting rights for women came into the picture much later than early colonial times. Third, also many people during the colonial times owned slaves. So yeah.....
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3 years ago
a person who is working part-time when full-time work is desired is known as __________. a. an employee b. unemployed c. the non
Mazyrski [523]

Answer:

the answer is D

Explanation:

i got it right on the practice test

sry for being late

3 0
3 years ago
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