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alexandr402 [8]
3 years ago
10

A minimum change in sensory intensity that is noticeable to an observer and can be coded into neural messages is known as the

Biology
1 answer:
AURORKA [14]3 years ago
6 0
Difference threshold is a minimum alteration in sensory intensity that is noticeable to an observer and can be coded into neural messages. Different threshold is the lowest level of encouragement that is essential to sense that a modification has happened the difference in the intensity between two stimuli that is necessary to yield a just notable difference also known as JND. The just notable difference depends not only on the intensity of the new stimulus but also on the level of stimulation already present which is the more intense the existing stimulus the larger the change must be to be noticeable. 
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quizlet chromosomes are composed of: please choose the correct answer from the following choices, and then select the submit ans
Anna11 [10]

Chromosomes are composed of deoxyribonucleic acid (DNA) mole

There are mainly two molecules that function as genetic material in living organisms.

These are ribonucleic acid(RNA) and deoxyribonucleic acid(DNA).

The organisms having DNA as genetic material require packaging of DNA as it is a long polymer of deoxyribonucleotides.

In the case of human beings, the length of DNA in a cell is approximately 2.2 meters which is very large as compared to the size of the nucleus( approximately 10^-6 meters).

So, the DNA has to be made compact for it to be present inside the nucleus of a cell.

Therefore, the DNA present inside the nucleus of a cell undergoes coiling and compaction through several stages before finally becoming a chromosome, which is shown in the adjoining diagram.

Thus, chromosomes are composed of deoxyribonucleic acid (DNA) molecules.

To know more about "DNA Packaging", refer to the following link:

brainly.com/question/14702559?referrer=searchResults

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4 0
2 years ago
Certain traits become more or less common in a population as a result of differential reproductive success. which of the followi
Sergio [31]
G . because the bat population will change with no bugs. 
7 0
3 years ago
what is meant by essential amino acids? A. essential for building DNA. B. that must come from your diet as they cannot be stored
ladessa [460]
I'd mark answer B :) technically it means that you must eat enough food rich in those aminoacids because they can't be synthesized by the organism.
4 0
3 years ago
Read 2 more answers
6.1.3 Final Exam: Semester 2 Exam
pashok25 [27]

The parental phenotype is the mother's free earlobes (Ff) and the father's nonfree earlobes (ff).

<h3>What genotype and phenotype?</h3>

The genotype refers to the information present in an individual's genome. Unlike the phenotype, it is not observable and rarely changes. The phenotype, in turn, depends on a combination between our genotype and the environment and can be defined as the observable characteristics of an individual.

With this information, we can conclude that the parental phenotype is the mother's free earlobes (Ff) and the father's nonfree earlobes (ff).

Learn more about genotype in brainly.com/question/12116830

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8 0
2 years ago
The dorsal side of a leopard frog is what
sweet [91]
The dorsal side<span> of the </span>leopard frog<span>: a. Is a light, solid colour b. Is a coloured and patterned. Is initially cut during a dissection</span>
6 0
3 years ago
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