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Nataly [62]
3 years ago
6

Vivian suffered from very serious ear infections as a young child. as a result, she has suffered hearing loss. what type of hear

ing impairment does vivian suffer with?
Biology
1 answer:
algol [13]3 years ago
7 0
<span>She most likely suffers from conductive hearing loss, which is the type of hearing loss that happens when there's problems conducting sound anywhere along the ear, wheter it is through the outer ear, the eardrum, or middle ear, even the inner ear sometimes</span>
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What are the functions of the three major forms of RNA (ribosomal RNA, messenger RNA, and transfer RNA)?
vovangra [49]

Answer:

Ribosomal RNA: Structural part of ribosomes

Messenger RNA: Carry genetic information from DNA to proteins

Transfer RNA (tRNA): Transport amino acids to protein synthesizing complex.

Explanation:

Ribosomes are made up of ribosomal RNA (rRNA) and proteins. The catalytic activity for the formation of peptide bonds between amino acids during protein synthesis resides the RNA of ribosomes.  

Messenger RNA (mRNA) is formed by the process of transcription during which the nucleotide sequence of the template DNA strand is copied into that of the RNA. The mRNA serves as a template for protein synthesis. The nucleotide sequence of mRNA is read in the form of genetic codes to specify the amino acid sequence of a protein. In this way, the genetic information stored in DNA is carried to the proteins.

During the process of protein synthesis, tRNAs carry amino acids to the mRNA-ribosome complex so that the amino acids are incorporated into the polypeptide. For the purpose, there is a tRNA with a specific anticodon sequence for a particular amino acid.  

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2 years ago
In order to carry out the testcross, you should cross your original pea plant with another pea plant whose phenotype is ________
Makovka662 [10]
<span>My pea plant has an unknown genotype for flowers, whether it has two dominant traits for white flowers (WW) or one dominant and one recessive (Ww) leading to white flowers; therefore I am doing a testcross in order to determine the genotype of my pea plant. The best plant to do this with is one that has a phenotype of purple flowers (ww) - that is, it is homozygous for the recessive trait. If I use a homozygous recessive plant, I know exactly what its genotype is. I don't have to worry about whether it's got one or two dominant alleles; I know that at least half of my alleles are going to be the recessive w. This makes identifying the offspring's genotype very simple. If I find that the offspring have at least some purple flowers among them, I know that my original plant had to be Ww; that is it had to have one dominant and one recessive allele for the flower color gene. If, however, all of the offspring are white flowers, I know that my original pea plant had both dominant alleles (WW).</span>
8 0
3 years ago
How does the tar from cigarette smoking disrupt oxygen distribution to the cells?
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By tar, I think you mean nicotine. (I Hope). It affects the nerve signals that regulate breathing.
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3 years ago
Sutherland found evidence for the presence of a G protein- coupled receptor for epinephrine in muscle cells. For this receptor t
gulaghasi [49]

Answer:

Three binding site

- guanine nucleotide

- guanosine triphosphate

- guanosine diphosphate

Explanation:

These sites are essential in signal transfer, cell growth, cytoskeletal assembly, protein synthesis and membrane vesicles transport.

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olchik [2.2K]
According to Charles Darwin's Theory of Origin of Species, an organism either develops or losses an attribute according to its adaptation to survive in a competitive environment. This is same with humans or salamanders. The loss or the retention of limbs may indicate the survival purposes of the species.
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