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Thepotemich [5.8K]
3 years ago
10

How is the ability to recognize the umami taste an evolutionary advantage?

Biology
1 answer:
vova2212 [387]3 years ago
7 0

Answer:

Umami identifies foods that might contain essential amino acids.

Explanation:

You may have heard that our taste buds can recognize the four basic tastes: sweet, salty, sour and bitter. But what many still do not know is that the human taste recognizes one more taste - the "umami".

Umami is recognized by our taste buds when we eat foods that contain substances called aminoacids. The umami flavor is composed of three main substances present in various foods: glutamate, inosinate and guanylate. The ability to recognize umami taste is an evolutionary advantage of humans that represents the ability to identify foods that may contain essential aminoacids.

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A mutation in a polypeptide with the original amino acid sequence of: Met-Ala-Gln-Arg-Glu-Leu results in a mutant with the seque
Nezavi [6.7K]

Answer:

This question lacks options, however, it can be answered based on general understanding of the topic

The answer is SUBSTITUTION MUTATION

Explanation:

A mutation is any change that occurs in the nucleotide sequence of a gene. Mutation can be of different types depending on how it occurs. One type of mutation is SUBSTITUTION MUTATION, which is a mutation in which one or more nucleotide base is replaced by another in the sequence.

Nucleotide bases are read in a group of three called CODON. Each of these codons specify amino acid. Hence, if the nucleotide base sequence is altered during mutation, the amino acid sequence is altered likewise. In this case where the original amino acid sequence is: Met-Ala-Gln-Arg-Glu-Leu, the mutation affected the nucleotide bases coding for Arginine (Arg), hence changing it to Glycine (Gly).

This means that a base substitution mutation occured, replacing the amino acid Arginine with Glycine in the mutated sequence.

6 0
3 years ago
If a nucleotide lacking a hydroxyl group at the 3' end were added to a pcr reaction, what would be the outcome?
Verdich [7]
The correct answer is b. no additional nucleotides would be added to a growing strand containing that nucleotide.
<span>
Nucleotides without a 3’hydroxy group are called dideoxynucleotides (ddNTD). Dideoxynucleotides are inhibitors of DNA polymerase because after being added in PCR reaction no further nucleotides can be added as no phosphodiester bond can be created (usually 3' hydroxyl group of the previous nucleotide attaches to 5' phosphate of the current nucleotide).</span>
6 0
3 years ago
Which molecules are enzymatic transmembrane protein channels? photosystem
evablogger [386]

Answer:

ATP synthase

NADP+ reductase

Explanation:

ATP synthase and NADP+ reductase molecules are enzymatic transmembrane protein channels.

4 0
3 years ago
The northern red-legged frog, or Rana aurora, is found along the western coast from British Columbia to Northern California. The
Zarrin [17]

The answer is B)<span> </span>temporal isolation.

<span>
<span>Temporal isolation is a type of reproductive isolation, which could be prezygotic or postzygotic. Temporal isolation is prezygotic reproductive isolation since it occurs before fertilization and zygote production. Temporal isolation is result of temporal differences in breeding. In this example, the breeding season of Rana aurora lasts from January to March while the breeding season of Rana boylii lasts from April to July. So, these two breeding seasons do not coincide and these species could not mate.</span></span>

7 0
4 years ago
Which factors affect the rate of photosynthesis? Select all that apply.
Marysya12 [62]

chlorophyll density, water, carbon dioxide

8 0
3 years ago
Read 2 more answers
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