has a double helix secondary structure e) all of these d) DNA mRNA. c) rRNA b) t
ID: 163365 • Letter: H
Question
has a double helix secondary structure e) all of these d) DNA mRNA. c) rRNA b) tRNA RNA Polymerase is a molecule that consists of: D) chromatin phospholipid A) RNA C) DNA B) protein 3. Which of Mendel's principles will NOT be observed in the case of tighty linked genes? d) all are always observed independent assortment b) segregation 4. Which type of bond does RNA Polymerase catalyze: d) peptide e) ionic a hydrogen b) disulfide c) phosphodiester Promoter-proximal elements and enhancers are examples of: proteins uences b) coding sequences DNA d) 6. Sigma is a molecule that consists of: D) chromatin phospholipid DNA. B) protein A) RNA Methylation and Acetylation are processes that allow long-term regulation of c) RNA Processing d Translation a) DNA synthesis b)Transcri 8. Which gene is transcribed frequently in liver cells, but not in bone cells c) RNA Polymerase b) insulin receptor 9. Bacterial promoter sequences are: polysaccharides lavery variable bo very uniform c) made of 10. Why do researchers frequently begin a search for mutants by exposing organisms to UV light or x-rays? A The treatment triggers gene expression. B The treatment stimulates cell growth. by damaging DNA. C The treatment increases the mutation rate D The treatment causes mutants to turn yellow. l I. The traits that Mendel studied in garden peas showed phenotypic variation. A) discrete B) continuous very low D) zero 12. Different cells express different sets of proteins because they oontain different: molecules by transcription factors c) lipids d) RNA Polymerase 13. The wobble hypothesis explains why there are distinct RNAs, compared to codons. b) fewer c) exactly the same number of 14 The proportion of parental vs, recombinant gametic types as linkage distance increases. increases decreases c) remains constant occurs when a heterozygote's phenotype is intermediate between those of the homotygoles acomplete dominance c)Multiple allelism do Polymorphism b)lExplanation / Answer
1) Secondary structure is the set of interaction with bases that is each part of strands are bounded to each other. In DNA double helix the two strands are held together by hydrogen bonds. So the option is d) DNA.
2) RNA Polymerase, also known as DNA dependent RNA polymerase, is an enzyme that produces primary transcript RNA. So the option is a)RNA
3) the option will be C) independent assortment.
4) RNA is a linear polymer made of four different types of nucleotide subunits linked together by phosphodiester bonds. So the correct option is c) phosphodiester
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