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stepladder [879]
3 years ago
14

In his science class, mr. brown heats a small amount of iodine in a test tube. the iodine changes into a pink gas without changi

ng into liquid. what is this process called?
Biology
2 answers:
iren [92.7K]3 years ago
8 0

Answer:I have Plato and put the answer E and it worked out I made a 100

Explanation:

LenaWriter [7]3 years ago
4 0
The process of a solid turning directly into a gas is known as "sublimation"
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A random-digit dialed survey conducted in the city of long beach, california reported that a greater proportion of nonsmokers en
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The correct answer is case-control study.

Explanation:

In a case-control study, two groups of the population are used, in which one group is kept as control, and the other is known as the experimental group that encounters with a specific disease or an outcome. With the help of this study, one can expose the groups to various or single outcomes.  

In the given case, a study is done in which an advertisement on a ban on smoking is encouraged by the non-smokers at the alcohol sale points but not by smokers, in the process a random digit dialing method was used. This random digit dialing method is an illustration of a case-control study, in which the survey of the individuals is done regarding the ban on smoking.  

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A wave with a height of 10 feet and a wavelength of 20 feet has a wave base
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Dna codes for the sequence of amino acids in the primary structure of a protein, but not for sugars or lipids. This is because?
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Proteins are the main structural and functional components of cells.

Each group of three bases in mRNA constitutes a codon, and each codon specifies a particular amino acid. The mRNA sequence is thus used as a template to assemble in order the chain of amino acids that form a protein.

The sequence of a protein is determined by the DNA of the gene that encodes the protein change in the gene's DNA sequence may lead to a change in the amino acid sequence of the protein. The sequence of amino acids of a protein determines protein shape, since the chemical properties of each amino acid are forces that give rise to intermolecular interactions to begin to create secondary structures, such as α-helices and β-strands.

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6 0
11 months ago
14. The diagram below represents changes in the sizes of openings present in leaves as a result of the actions of cells X and Y.
Fiesta28 [93]

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4

Explanation:

8 0
2 years ago
Which DNA fingering technique examines the length variation of DNA repeat sequences in human DNA?
DiKsa [7]

Answer: The question is incorrect, below is the correct question

Which DNA FINGERPRINTING technique examines the length variation of DNA repeat sequences in human DNA?

The correct answer to the question is option D

mtDNA (mitochondrial DNA) analysis

Explanation: DNA fingerprinting technique is a laboratory technique used by geneticists.it entails placing of DNA samples into wells,these wells are then placed in a slab of gels and thereafter passing a current through the gel.This is done to ascertain the uniqueness of a DNA pattern and thus be able to differentiate people of same species.

There are several methods of DNA fingerprinting as outlined in the options given with the question.

In mtDNA (mitochondrial DNA) analysis,The Genetic samples are extracted from the biological materials, these samples extracted are total genomic DNA like hair,tooth or samples of blood, Several copies of these genomic DNA are then produced using a polymerase chain reaction and flanking primers inorder to examines the length variation of DNA repeat sequences in human DNA.

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