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Over [174]
3 years ago
14

in your own words explain how a person may taste the bitterness of PTC by using the following vocabulary worlds in your explanat

ion trait,gene,genotype,phenotypy,and alleles
Biology
2 answers:
lara [203]3 years ago
7 0

Answer:

Tastes are detected on the tongue through cells called gustatory cells. Gustatory cells have a variety of taste receptors. When bitterness is detected, the brain receives a message from these cells.

Explanation:

zavuch27 [327]3 years ago
5 0

The taste of PTC is associated with a gene formed by the alleles responsible for tasting and non-tasting. These alleles are extremely important for us to be able to feel the different types of flavors.

The allele that codes for taste, is present in the taste buds of the tongue and can react with PTC molecules, allowing us to feel a characteristic bitter taste for that molecule. On the other hand, the non-gustatory allele is unable to react with PTC molecules. When these two alleles are combined within a genotype, the individual has a phenotype that allows sensitivity to the presence of the PTC flavor.

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3 years ago
Recall that two hydrogen bonds bind A and T, but three hydrogen bonds bind G and C. Because the stability of DNA is affected by
IrinaK [193]

Answer:

A molecule with 32 percent or more amount of Cytosine.

Explanation:

DNA is the genetic material of all the living organism but in few viruses, RNA can also acts as the genetic material. DNA contain nitrogenous bases ( adenine, guanine, thymine and cytosine), deoxyribose pentose sugar and the phosphate bond.

The triple bond is more stable than the double bond. Since, cytosine and guanine shows triple hydrogen bonding and shows more stability. The DNA molecule that contains more residues of guanine and cytosine is stable than the molecule containing adenine and thymine residues.

Thus, the answer is molecule with 32 percent or more amount of Cytosine.

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3 years ago
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3 years ago
If a linear piece of dna has three sites for a particular restriction enzyme, into how many fragments will that restriction enzy
Kruka [31]

If a linear piece of DNA has three sites for a particular restriction enzyme, it will be cut into 4 fragments. If the DNA is circular, the number of obtained fragments will be N for N recognition sequences for the specified restriction enzymes however if the DNA is linear, the number of obtained fragments will be (N+1).

A bacterial protein called the restriction enzyme cleaves DNA at specific  locations. The recognition sequences, or short and distinct nucleotide sequences, are recognized by restriction enzymes in DNA. When a DNA sequence is recognized by the restriction enzyme, it hydrolyzes the bond between neighboring nucleotides and cleaves the DNA molecule.

The restriction enzymes guard against bacteriophages on the living bacteria. They identify the bacteriophage and cleave at its restriction sites, destroying its DNA.

The use of restriction enzymes in genetic engineering is crucial. In order to introduce foreign DNA for gene-editing purposes, restriction enzymes cut DNA at a specified location, which makes them a crucial tool.

To learn more about restriction enzyme, recognition sequences and bacteriophages here

brainly.com/question/14376666

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3 0
2 years ago
A cube with sides 4m in length has a volume of 64 m^3. If each side of the cube is doubled in length what is the ratio of the ne
aliina [53]

Answer:

the answer is A: 2:1

Explanation:

from,

the volume will be doubled

it will be

2 (64)/64

2:1

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