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Kamila [148]
3 years ago
8

QUESTION 1: The term "Central Dogma" was first proposed in 1958 by Francis Crick, discoverer of the structure of DNA, to describ

e the flow of genetic information. In 2-3 complete sentences describe how DNA (genetic information) influences phenotype (physical traits).
Biology
1 answer:
Vera_Pavlovna [14]3 years ago
3 0

Explanation:

Central dogma represents the pathway in which the information encoded in the DNA flows into proteins.

The DNA is made up of the nucleotide monomers in which the nitrogenous bases are present as one of the constituents. These bases are present in the sequence are transcribed into the RNA molecule through the process of transcription.

The nitrogenous sequences in this RNA molecule are then translated into the proteins through the process of translation during which the sequence is read in pairs of three called "codons". A specific amino acid is attached to the peptide when the codons are read by the translation machinery and a protein is formed.

These proteins could perform various roles in organisms from physical to biochemical and thus the physical traits are controlled by the DNA.

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Non-protein coding DNA in eukaryotes contains repetitive elements that include (select all that apply): Group of answer choices
Olegator [25]

Answer:

interspersed, transposon-derived repeats, simple sequence repeats.

Explanation:

In the human genome, not only the protein coding genes are present, in fact these genes make up just a very little portion of the human genome about 1.5-2% of the entire human genome. Repeats make up about 48% of the human genome which is the largest and the rest include, conserved non coding sequences (43.5%), heterochromatin regions etc.  

Some of the repetitive elements includes LINEs, SINEs, DNA fossils tranposoon, Retrovirus like elements. all these are transposable elements which are  mobile DNA sequences that can migrate to different  regions/areas of the genome.

Microsatellites (simple sequence repeats) are tracts of repetitive DNA in which certain DNA motifs are repeated normally 5-50 times.

6 0
3 years ago
A DNA molecule carries informaton that specifies some traits of an organism. This information is found in the -
mihalych1998 [28]

Answer:

B - Shape of the molecule that is known as a double helix

Explanation:

7 0
2 years ago
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Mutations that change the nucleotide sequence without changing the amino acid sequence are
Rina8888 [55]

Mutations that change the nucleotide sequence without changing the amino acid sequence are synonymous mutations.

<span>Synonymous mutations or substitution are those that change a codon with another codon that codes for the same amino acid. As a result, the synthesized amino acid sequence is not modified. Synonymous mutations usually don’t result in any phenotypic effects, so they are called silent. </span>

6 0
2 years ago
1. A collection of amoeba-like individuals that come together to form a large structure which can continue to move is called a?
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The answer to question  1 is D and the answer to number 2 is B
4 0
3 years ago
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HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
lesantik [10]

Answer:

here!!

Explanation:

oxygen = exocytosis

water molecules = osmosis

charged amino acid = simple diffusion

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protein from the Golgi apparatus = carrier protein

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