What term is used for events that cause strong, often negative, emotional responses? noise messages hijacking stress triggers?

1 answer:

8 0

The correct option is TRIGGER. Triggers are events or things presently occurring that make one to remember past trauma which are associated with negative emotions. Triggers usually bring forth negative emotional responses and most people usually avoid situations that will trigger them to remember things that are better forgotten.

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Which two codons in the mRNA represent the amino acid phenylalanine

Trava [24]

Answer:

UUU and UUC

Explanation:

Information that encodes certain functional products called PROTEIN are present in the DNA molecule. However, the information needs to be expressed via the processes of transcription and translation. Transcription is the synthesis of a mRNA using a DNA template.

The mRNA then undergoes translation, where it is read in a group of three nucleotides called CODON. Each CODON specifies a particular amino acid. Due to the degenerate nature of the genetic code, more than one codon can specify one amino acid.

Hence, in the case of phenylalanine amino acid, codons UUU and UUC both specify it. This means that whenever UUU and UUC are read during translation, a phenylalanine is added to the peptide chain.

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3 years ago

If two intermediate-colored chickens together produced 100 chicks, how many would you expect to be black?

sergiy2304 [10]

Answer: 25 of the chicks will be black

Explanation: Since the chickens are intermediate in colour, that is they are not black, they are heterozygous. Let B represent the allele for black colour and B represent the allele for blue colour, therefore the genotype of a chicken with an intermediate colour is Bb. A cross between two Bb chicken will produce 1 BB, 2 Bb and 1 bb chicks. 1 BB will manifest outwardly as black, 2Bb will manifest outwardly as intermediate colored while 1 bb will manifest outwardly as blue colored chicks.

Since one out of four chicks are black colored, if the two chicken produced 100 chicks, the number of chicks that will be black is 1/4 x 100 = 25. Therefore, 25 chicks out of 100 will be black.

See the attached punnet square for more information

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3 years ago

What is Darwin’s theory of the origin of species?

Zielflug [23.3K]

Question:

<em>What is Darwin’s theory of the origin of species?</em>

Answer:

<em>The theory of evolution by natural selection, first formulated in Darwin's book "On the Origin of Species" in 1859, is the process by which organisms change over time as a result of changes in heritable physical or behavioral traits.</em>

Hope this helps!

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4 years ago

While the introduction of the mutant synthetase gene restored some of the growth characteristics, this strain still does not gro

katen-ka-za [31]

Answer:

A and D

Explanation:

Transfer ribonucleic acid (tRNA) is a type of RNA that decodes mRNA (messenger RNA) into protein. This phenomenon is known as translation.

If the strain of mutant synthetase gene does not grow fast despite having growth characteristics, the following possibilities could happen:

Sometimes histidine tRNA sends asparagine instead of histidine to other proteins where histidine residue should have been present for growth.

The normal synthetase might be present but not in an adequate amount.

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3 years ago

These jars show the set-up from Francesco Redi's experiment with meat and maggots. After a few days of sitting out, the covered

padilas [110]

C. the flies could not get into the jar to lay their eggs

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4 years ago