The statement "False. Once the pieces are smaller than an atom of silver, the pieces no longer retain the properties of silver" is the correct answer to this question.
Elements are made up of atoms that are identical in nature, including their physical and chemical properties. This is valid for silver as well. A silver atom can be cut into several pieces and still maintain its silver properties.
However, once the pieces are reduced to less than one silver atom, they lose their chemical properties as they no longer have the silver properties.
Once the pieces are smaller than an atom of silver, the pieces no longer retain the properties of silver.
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6 1 point Choose the following options which indicate pleiotropy: A mutant allele at one locus X creates mice with brown fur, while an allele at locus Y creates mice with red eye color. When mice are
The options that indicate pleiotropy in this scenario are: "A mutant allele at one locus X creates mice with brown fur" and "an allele at locus Y creates mice with red eye color."
Pleiotropy refers to a genetic phenomenon where a single gene or allele influences multiple, seemingly unrelated traits or phenotypes. In the given scenario, the following options indicate pleiotropy:
"A mutant allele at one locus X creates mice with brown fur."This suggests that a mutation at locus X affects both the color of the mouse's fur and potentially other traits."An allele at locus Y creates mice with red eye color."This indicates that an allele at locus Y influences the color of the mouse's eyes, which is a distinct trait from the fur color affected by locus X.By having different alleles at these loci (X and Y), the mice exhibit different phenotypes for both fur color and eye color. This demonstrates the concept of pleiotropy, where a single gene or allele can have multiple effects on the organism's traits.
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Which statement below best describes a characteristic of an Alu
element?
a.Alu is typically transcribed by RNA pol III.
b.Alu is reverse transribed by L1 ORF1p.
c. Alu is an autonomous retrotransposon
Among the given statement, the best statement that describes a characteristic of an Alu element is "Alu is typically transcribed by RNA pol III."
Alu is the short interspersed nuclear element, which is 300 bp in length and is the most common repetitive element found in the human genome. Alu is classified under the group of retrotransposons, which are genetic elements that can move from one location to another location in the genome. Retrotransposons are the significant contributor to the genomic diversity of mammals.
Transcription of Alu elements, Alu elements are transcribed by RNA polymerase III (Pol III). RNA Pol III is a large complex enzyme that is responsible for the transcription of tRNAs, 5S rRNA, and other small untranslated RNA molecules.Alu elements are transcribed as RNA molecules, and these RNA molecules are the primary source of various small RNA molecules found in cells. After transcription, Alu RNA molecules fold back on themselves and form a hairpin structure that is stabilized by base pairing. These hairpin structures are recognized by the RNA-processing machinery, which cleaves them into small RNA molecules called Alu RNAs. Therefore, the correct statement among the given statement is "Alu is typically transcribed by RNA pol III."
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