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Describe two learning processes.

There are two main learning processes, operant conditioning and classical conditioning. Operant conditioning is a learning process where the frequency of a certain behaviour is modified according to the beha...
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Answered by Ana D. • Psychology tutor
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How can different phenotypes be generated without changes to the genotype?

Different phenotypes can be generated without changes to the genotype through a process called Epigenetics. Epigenetics, meaning “above genes”, is the study of changes to the phenotype caused by changes in g...
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Answered by Ana D. • Biology tutor
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What are the 3 ingredients required for evolution to occur?

For a trait to evolve, firstly, there has to be genetic variation among individuals, which will lead to differences in phenotype and cause differences in fitness in a particular environment. These difference...
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Answered by Ana D. • Biology tutor
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What is the difference between DNA and RNA?

DNA, deoxyribonucleic acid, is responsible for storing genetic information and is composed of a chain of nucleotides. Each nucleotide is formed by a nitrogen base, a phosphate backbone and a sugar. There are...
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Answered by Ana D. • Biology tutor
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How do you prove by induction?

First you prove the case n=1 is true. Then you assume that n=k is true, then calculate what n=k+1 is. This should prove true, so that by induction, you have proved that the statement is true for all natural ...
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