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Mandarinka [93]
2 years ago
9

What is the correct sentence?

Biology
2 answers:
OLEGan [10]2 years ago
7 0

Answer:

Genes code for proteins, and proteins code for traits.

Explanation:

Simplified Response:

Genes direct the synthesis of RNA through transcription and translation. Through these processes, proteins are assembled. These proteins form the structures and functions that make up all living organisms. And therefore, these proteins are responsible for the traits of living organisms as well.

So, that's why the correct choice would be the first option.

Genes --> Proteins --> Traits

lorasvet [3.4K]2 years ago
3 0

Answer: The correct sequence in the expression of a trait is gene > protein > trait (Option B).

Explanation:

During gene transcription, a linear fragment of DNA referred to as a 'gene' is used as template to synthesize a complementary messenger RNA (mRNA) sequence.

Subsequently, this mRNA is then used as template to create a protein by a process called translation.

Moreover, phenotypic traits can be defined as all observable characteristics that an organism has.

The phenotypic traits are largely determined by the expression of either enzymatic or structural proteins, which interact to shape the phenotype of an organism.

In conclusion, the correct sequence in the expression of a trait is gene > protein > trait (Option B).

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what molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species
AleksandrR [38]

Ans.

Protein synthesis involves formation of proteins, during which information present in DNA is used to make polypeptide chains. Hence, amino acid sequence of a polypeptide chain is determined by the sequence that may differ in different species having proteins with same amino acid sequence.

Thus, the molecules that are used to compare different species with proteins having exact same amino acid sequences are DNA molecules.

Protein synthesis includes two steps, transcription and translation. During transcription, DNA gets converted into RNA by RNA polymerase enzyme, while during translation, RNA provides information to make proteins.

In RNA information is present as triplets of nucleotides, known as codon. Each code codes for a specific amino acid. There are a total of 64 codons, while number of protein-forming amino acids is 20. Hence, one amino acid can be coded by more than one codon and this property of codons is known as degeneracy of codons.

Thus, two species may have the same protein even if their DNA molecules are different because of degeneracy of codons.

7 0
3 years ago
Multiple Choice Question
VLD [36.1K]

Answer:

B. Smaller and more mobile gametes

Explanation:

5 0
3 years ago
How could an error during transcription affect the protein that is produced?
Ahat [919]

Answer: An error during transcription could produce a shorter protein or induce changes in the protein's sequence.

Explanation: Transcription is the process of single-stranded RNA synthesis from a DNA template (gene). During this process, RNA polymerase reads the DNA template and synthetize RNA, keeping the sequence. The RNA sequence will be reading later by ribosomes and protein will be produced. An error in transcription could produce changes in codons that are sequences of 3 nucleotides that determine  aminoacids of the protein, and that would change protein folding and inactive it. Another possible result would be that  error in transcription produce a premature stop codon that cause a shorter inactive protein.

5 0
3 years ago
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All lipids (Fats) contain the following elements except:
Alla [95]
Oxygen because lipids are fats that need oxygen to use long term energy
4 0
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Density gives us information about how atoms in a material are
krek1111 [17]

Answer:Density is a characteristic property of a substance. ... The mass of atoms, their size, and how they are arranged determine the density of a substance. Density equals the mass of the substance divided by its volume; D = m/v. Objects with the same volume but different mass have different densities.

Explanation:

4 0
3 years ago
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