Concept explainers
(a)
Interpretation : The given statement needs to be matched with term rRNA, mRNA, or tRNA.
Concept Introduction : RNA is type of
(b)
Interpretation : The given statement needs to be matched with term rRNA, mRNA, or tRNA.
Concept Introduction : RNA is type of nucleic acid which also called as ribonucleic acid. This is a single strand nucleic acid which is composed of nitrogenous base, ribose sugar and phosphate group. Based on their function, RNA can be classified as messenger RNA (mRNA), ribosomal RNA (rRNA), and transfer RNA (tRNA).
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Basic Chemistry
- 18.50 Draw the condensed structural formula for a and b and the line-angle formula for c and d. a. hexanamide b. 3-methylbutanamide c. N-ethyl-N-methylbenzamide d. N-propylpentanamide 18.70 Draw the condensed structural formula for a, b, and c, and the line-angle fomula for d. (18.1, 18.2) a. 3-amino-2-hexanol b. tetramethylammonium bromide c. butylethylmethylamine d. N,N-dimethylanilinearrow_forwardDraw the predominant form the lysine amino acids at physiological pH (7.4):arrow_forwardWhat type of bond holds these two monosaccharides together in this structure? HO- H. -O H H. OH A H HO 3. 12 HO. HB HO 3 1 HO OH ) B(1,4) glycosidic bond 2 a (1,4) glycosidic bond 3 aB (1.4) glycosidic bond 4) a (1,6) glycosidic bond INarrow_forward
- (20, 3) Draw a structural formula for the product of the reaction shown. Use the wedge/hash bond tools to indicate stereochemistry where it exists. Show stereochemistry in a meso compound. In cases where there is more than one answer, just draw one.arrow_forwardCH3-C-OH CH3.C-NH2 2. Classify the following compounds as primary, secondary and tertiary amines (15) CH2-CH3 CH3 CH3-CH-NH CH3-C-CH3 ČH3 NH2 3. Draw the structure of the following compounds: (20) a. 2.Amino-3-pentanone b. 3.Amino-2-pentanolarrow_forwardPlease explain 4. Determine the structure of compounds A-F in the following reaction şequence.(17.43) CI Br 1. СН3 (еxcess) KCN A 1. LIAIH,, ether В 2. H,О HO, PBrg 2. NaOH, A 1. NaH NaBH, 1. NaH F 2. CH,CH2Br 2. CH,CH,Br CH,CH2OHarrow_forward
- Draw the predominant form for the aspartate amino acids at physiological pH (7.4):arrow_forward17.28 Write the base sequence in a complementary DNA segment if each original segment has the following base sequence: a. TTTTTT b. c. ATGG CA d. ССССССccc ATATGCGCTAAA 88.femsidon DNAarrow_forwardQ.1 Three given polypeptides (P, Q and R), of same size and same pl (7.2), have a single aspartic acid in each of them. In polypeptide P, the aspartic acid residue is on the surface. In polypeptide Q, it is surrounded by negatively charged residues, whereas in polypeptide R it is deeply buried in a hydrophobic core. pKa of the side chain carboxylate of free (in solution) aspartic acid is 3.65. The polypeptides are in a buller of pH 7.4. The clange in pKa of the aspartic acid side chain carboxylate in the polypeptides P, Q and R is likely to, Ans remain the same in P, modest increase in Q and greater increase in R X2. remain the same in all the three polypeptides X3. increase in P, decrease in Q and remain the same in R X 4. remain the same in P, increase Q and decrease in R.arrow_forward
- (19, 9) Draw a structural formula for the major organic product of the reactions shown below. You do not have to consider stereochemistry.arrow_forwardQq.2 .arrow_forward25) Valine is one of the essential amino acids found in our bodies and used in the production of proteins. Valine has the condensed formula (CH3)2CH(NH2)CHCO2H. Draw the skeletal structure of valine as it would be represented at physiological pH (7.4). Answer:arrow_forward
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