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For the ChT-11-5a studentsDate: 2015-10-07; view: 446. Prepared by the c.ch.sc., senior lecturer Mutaliyeva B.Zh. 1. components of ribosomes, the complexes that carry out the synthesis of proteins are… A) Ribosomal RNAs (rRNAs) B) Messenger RNAs (mRNAs) C) Transfer RNAs (tRNAs) D) Nucleotides E) Nucleoside
2. Nature of the nucleotides and nucleic acids found in the phosphate group is called a… A) Nucleoside B) Nucleotides C) Ribosomal RNAs (rRNAs) D) Prothetic group E) Enzymes
3. Intermediaries, carrying genetic information from one or a few genes to a ribosome, where the corresponding proteins can be synthesized are… A) Messenger RNAs (mRNAs) B) Transfer RNAs (tRNAs) C) Nucleotides D) Nucleoside E) Ribosomal RNAs (rRNAs)
4. Adapter molecules that faithfully translate the information in mRNA into a specific sequence of amino acids are called… A) Transfer RNAs (tRNAs) B) Messenger RNAs (mRNAs) C) Nucleotides D) Nucleoside E) Ribosomal RNAs (rRNAs)
5. Adenine is… A) purine base B) pyrimidine. C) enzymes D) amino acid residues E) lipids
6. Guanine is… A) purine base B) pyrimidines. C) enzymes D) amino acid residues E) lipids
7. Cytosine is… A) pyrimidine B) purine base C) enzymes D) amino acid residues E) lipids
8. Thymine is… A) pyrimidine B) purine base C) enzymes D) amino acid residues E) lipids
9. Uracil is… A) pyrimidine B) purine base C) enzymes D) amino acid residues E) lipids
10. Thymine is… A) pyrimidine in DNA B) pyrimidine in RNA C) purine in DNA D) purine in RNA E) Amino acid residues
11. Uracil is… A) pyrimidine in RNA B) pyrimidine in DNA C) purine in DNA D) purine in RNA E) Amino acid residues
12. Composite DNA molecules comprising covalently linked segments from two or more sources are called… A) recombinant DNAs B) restriction endonucleases C) cloning vectors D) DNA ligases E) restriction-modification system
13. Selecting a small molecule of DNA capable of self-replication. These DNAs are called… A) cloning vectors B) recombinant DNAs C) restriction endonucleases D) DNA ligases E) restriction-modification system
14. Inserted DNA fragments with multiple recognition sequences for restriction endonucleases (often useful later as points for inserting additional DNA by cleavage and ligation) are called… A) polylinkers B) linkers C) cloning vectors D) recombinant DNAs E) restriction endonucleases
15. Circular DNA molecules that replicate separately from the host chromosome are called… A) Plasmids B) Polylinkers C) Recombinant DNAs D) DNA ligases E) Cloning vectors
16. Plasmids can be introduced into bacterial cells by a process called… A) Transformation B) Replication C) Translation D) Recombination E) Accommodation
17. Plasmids that can be propagated in cells of two or more different species are called… A) Shuttle vectors B) Plasmids C) Polylinkers D) Recombinant DNAs E) DNA ligases
18. Cell organelle that contains information about structural data of cell? A) nucleus B) lysosome C) mytochondria D) ribosome E) EPR
A) protection B) fagocytos C) sensitive conducting D) pinocytos E) fotosynthesis
A) 5 classes B) 2 classes C) 3 classes D) 4 classes E) 6 classes
A) 105 B)104 C) 102 D) 103 E) 10
A) chloroplasts B) lysosome C) Goldji apparatus D) mitochondries E) ribosomes
A) Karyotype B) DNA C) RNA D) EPN E) Lysosome
A) cell centre B) EPN C) Mitochondria D) Goldji complex E) Lysosome
A) Ribosome B) Lysosome C) Cell centre D) Mitochondria E) Membrane
26. The two copies of each chromosome in body cells are called A) homologous chromosomes B) sister chromatids C) haploid (1n) gametes D) gametes E) karyotype
27. Phases of the Cell? A) interphase, mitosis, cytokinesis. B) mitosis, meiosis C) Interphase, mitosis, meiosis D) Interphase, mitosis, meiosis, cytokinesis E) Mitosis
28. A segment of a DNA molecule that contains the information required for the synthesis of a functional biological product, whether protein or RNA, is referred to as A) a gene B) nucleotid C) nucleoside D) karyotype E) chromosome
29. What is a phenotype? A) collection of organism's traits B) collection of genes C) collection of chromosomes D) collection of alleles E) collection of codons
30. Homozygote genotype- A) ÀÀÂÂÑÑ B) ÀàÂâÑÑ C) ààÂâññ D) ÀàÂâÑñ E) ÀàââÑÑ
31. The specimen with genotype ÀàÂâÑñ forms … A) 8 type of gametes B) 2 type of gametes C) 4 type of gametes D) 1 type of gametes E) 12 type of gametes
32. Heterozygote genotype? A) ÀàÂâÑñ B) ààââ C) àààà D) ÀÀÂÂÑÑ E) ÀÀ
33. Heterogamete genotype? A) ÕÓ B) ààââ C) àààà D) ÀÀÂÂÑÑ E) ÀÀ
34. Homogamete genotype? A) ÕÕ B) ààââ C) àààà D) ÀÀÂÂÑÑ E) ÀÀ
35. Homozygote genotype? A) ÀÀÂÂÑÑ B) ÀÀÂâ C) ÀàÂâ D) Àà E) ÀàÂâÑñ
36. The quantity of sex chromosomes in human karyotype? A) 2 B) 3 C) 4 D) 5 E) 6
37. The quantity of autosome in human karyotype? A) 44 B) 46 C) 48 D) 26
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