The correct choice is option c, which identifies Ras.
To ascertain allele frequency, one must take into account the dominant and recessive alleles in a genotype.
According to the provided data, the following calculations yield the allele frequencies:
allele A = 100/300, allele B = 50/300, allele O = 150/300
Therefore, the frequency for allele A equals 0.33 or 33%, allele B equals 0.17 or 17%, and allele O equals 0.50 or 50%.
C. Insulating the body
Proteins do not serve to insulate the body.
Insulation is provided by lipids, which are a class of macromolecules.
<span>A macromolecule is a very large molecule. There are four major macromolecule groups: carbohydrates, proteins, nucleic acids, and lipids. Lipids are made of glycerol and fatty acids and include fats, oils, waxes, phospholipids, and steroids. One role of lipids is to keep the body insulated and help retain heat in cold environments. Therefore, someone with little body fat feels cold more easily, while an individual with a high amount of body fat retains warmth more readily.
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Answer:
a. Unconditioned Stimulus (US): The teacher saying "jump."
b. Conditioned Stimulus (CS): Clearing the throat, uttering "Uhmmmm..." followed by hitting the stick or ruler and saying "jump."
c. Unconditioned Response (UR): Jumping in response to hearing the word "jump."
d. Conditioned Response (CR): Jumping upon hearing the throat clearing, ruler banging, and the word "jump."
Explanation:
An unconditioned response is naturally elicited, whereas a conditioned response is learned or unnatural. Similarly, an unconditioned stimulus naturally causes a response, while a conditioned stimulus is an unnatural trigger for a learned reaction.
a. Unconditioned Stimulus (US): Teacher says "jump."
b. Conditioned Stimulus (CS): Clearing throat, saying "Uhmmmm...," then banging stick and saying "jump."
c. Unconditioned Response (UR): Jumping after hearing "jump."
d. Conditioned Response (CR): Jumping triggered by the throat clearing, banging, and word "jump."
