Answer: Extinction has occurred.
Explanation:
In psychology, the extinction refers to the process of weakening of a conditioned response by the respondent. This actually results in decrease or disappearance of a particular behavior response.
In the given situation, the dog is showing the trait of salivation in the behavior but after the occurrence of number of trials the dog is not receiving any food this is a tiring situation for dog which made it to stop salivation. Thus here, the extinction of behavior that is salivation has occurred.
Approximately 4.5 billion years ago
Answer:
5.12μg of DNA
Explanation:
PCR is a method use to amplify DNA. It often require primers ( short sequence) nucleotides, heat stable polymerase enzymes, and thermocycler.
DNA strands are double by every cycle of PCR and it denoted by the formula 2^n where n is the number of cycle.
starting with 5ng,
the amount after 10 cycles = 2¹⁰ × 5 ng = 5.12μg of DNA
Answer:
A. The hydrogen atoms have a partial positive charge and are attracted to the oxygen atom in another molecule, which has a partial negative charge.
Explanation:
I just took the quiz. That was the correct answer.
Guanine-Cytosine & Adenine-Thymine
