Which of the following flow of information goes against the concept of modified

Question

Which of the following flow of information goes against the concept of modified control in molecular biology? DNA to RNA RNA to DNA RNA to protein protein to RNA Which of the following may not be present during protein synthesis? mRNA DNA RNA Ribestrome A triplet nucleotide sequence determines the order of amino adds In the synthcslied protein, which beaded Anticodon molecular word Codon Punctuation A small RNA molecule which binds and brings amino add on mRNA-rlbosome complex Is caded rlbosomal RNA pickup RNA transfer RNA (t-RNA) hook up RNA If the upper strand sequence of a double stranded ON A b 5'GTATCCTAGJ', the complementary lower ONA strand sequence b 3GTATCC TAGS' 3'CAUAGGAUCS 5'CATAGGATC3' 3'CATAGGATCS Which of the following b not true of ONA? It stores information It can be replicated It undergoes mutation 0. It remains constant among different species It has variability between species Which of the following best describes the chemical composition of a A nitrogen-containing bose and a pentose sugar A nitrogen contains base, a phosphate, and a pentose sugar A phosphate and a pentose sugar A nitrogen contains base, a phosphate, and a hexous sugar A phosphate and a hexous sugar The molecule which carries genetic Information from Use nucleus to where proteins are manufactured is called RNA polymers mRNA DNA polymers rRNA tRNA The correct sequence of stages of mitosis b Interphase, prophase, metaphase, anaphase, telophase prophase, mctephase. anaphase, tetophase prophase, anaphase, metaphase, telophase metaphase, prophase, telophase, interphase The process of cytoplasmic divison is known as melosis cytokinesis mitosH fission durtng mitosis chromatids separate during prophase telophase cytokinesis anaphase During which phase of mciosls do homologous chromosomes separate? prophase telophase anaphase I anaphase H How many polar bodies are formed during oogenesis? 1 2 or 3 4 none

Explanation / Answer

23. RNA to DNA (central dogma- DNA- RNA- Protein)

24. DNA-( mRNA attached to the ribosome subunits along with tRNA and amino acid start adding up)

25. Codon- ( three base sequence on mRNA to which the tRNA anticodons attaches. )

26. transfer RNA (tRNA)- (80 nucleotide long tRNA molecules bring aminoacid sequence to the growing chain).

27. D- 3'CATAGGATC5'

28. D -it remains constant for different species- wrong- DNA sequence is unique for each indivudual.

29. B- nitrogen containing base, a phosphate and a pentose sugar

30. B. mRNA ( carries the information from DNA to the RNA)

31. Prophase, metaphase , anaphase and telophase

32. B. cytokinesis- divides cell into equal parts.

33. D. Anaphase

34. C. Anaphase 1

35. 2 or 3

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