Nucleic acids have a definite polarity, or directionality. Stated another way, one end of the molecule is different from the other end. How are these ends described? One end has an unlinked 3 carbon; the other end has an unlinked 5 carbon One end has a hydroxyl group on the 2 carbon; the other end has a hydrogen atom on the 2 carbon One end contains a nitrogenous base; the other end lacks it One end has one phosphate group; the other end has two phosphate groups

Nucleic acids have a definite polarity, or directionality. Stated another way, one end of the molecule is different from the other end. How are these ends described? One end has an unlinked 3 carbon; the other end has an unlinked 5 carbon One end has a hydroxyl group on the 2 carbon; the other end has a hydrogen atom on the 2 carbon One end contains a nitrogenous base; the other end lacks it One end has one phosphate group; the other end has two phosphate groups

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter9: Gene Expression And Gene Regulation

Section: Chapter Questions

Problem 19QP: Below is the structure of glycine. Draw a tripeptide composed exclusively of glycine. Label the...

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Below is the structure of glycine. Draw a tripeptide composed exclusively of glycine. Label the N-terminus and C-terminus. Draw a box around the peptide bonds.
The blackbone of nucleic acids consists of :A-a phosphodiester bond between the 2'and 5' hydroxyl groups of neighbroing sugers B-a phosphodiester bond between the 3' and 5' hydroxyl groups of neighboring sugers C- a glycosidic bond between a purine and a sugar D- a glycosidic bond between a pyrimidine and a sugar
Which one of the following statements about nucleic acids is correct? Multiple Choice NTPs can be incorporated into either DNA or RNA molecules, but dNTPs can only be incorporated into DNA molecules A nitrogenous base, 5-carbon sugar, and two phosphate groups would most accurately be referred to as a nucleotide diphosphate. During nucleic acid synthesis, the phosphate group at the 3' carbon of the incoming monomer is covalently linked to the hydroxyl group at the 5' carbon of the existing macromolecule. RNA and DNA have all the same pyrimidine bases in them, but differ in the selection of purine bases. A nucleic acid found in a cell with the sequence GCCTTATCGCG would most likely be found paired with another molecule in double-stranded form.
Nucleic Acids True or false Both pentose nucleic acidand deoxypentose nucleicacid contain the samepyrimidines Both pentose nucleic acidand deoxypentose nucleic acid and deoxypentosenucleic acid Contain thesame purines RNA contains cytosine and thymine DNA and RNA are hydrolysedby weak alkal
A Uracil B Adenine HN Cytosine Guanine 2 H₂N-C 6 3 N Which of the following nitrogenous bases is represented by this structure? 5 C C N 7 IZⓇ 8 CH
Which one bracketed region most likely illustrates a phosphodiester bond in Figure 1? The bracketed region marked ‘i’, from phosphate group to phosphate group. The bracketed region marked ‘j’, from methyl group to methyl group. The bracketed region marked ‘k’, from 3’ carbon to 5’ carbon. None of the above and I have explained my reasoning here.
Serine, cysteine, threonine can participate in hydrogen bonding. Valine cannot. Explain differences in structure that cause this.
The carbohydrates (CHOs), with a general formula of (CH₂O)n, are rich in hydroxyl groups. This allows the carbohydrates incredibly diversity of structure and function. Match the structural feature with the functional feature allowed. CHOs are useful for fast energy production. CHOs are widely used to mediate molecular recognition events. CHOS are widely used as structural materials. 1. 2. 3. Hydroxyl groups can interact extremely well with water. Hydroxyl groups can be extensively derivatized and functionalized. Hydroxyl groups allow CHOs to form extensive H-bonded networks.
The following structurally define nucleic acids EXCEPT Molecularly, they contain genes that encode for polypeptides and RNA molecules. They are chainlike macromolecules that function in the storage and transfer of genetic information. (C) They are polynucleotides connected covalent linkages. They are polyionic molecules of high molecular weight composed of a specific sequence of subunits called nucleosides.
why are peptide bonds are planar, forming amide plane
What are nucleic acids? Why are they important? What are the two types of nucleic acids, and what are their main differences? DNA and RNA occur as polymers. What is their monomer called? What are the three components of this monomer and draw the general structure. Draw the open chain of ribose and the open chain of deoxyribose. Their cyclic structures are given in the text. In one sentence based on visual clues, describe the difference between a pyrimidine and a purine.
Lefer to the figure showing the molecular structure of dimethylmercury. H–C-Hg C-H H. Exposure of human skin to a single drop of dimethylmercury can lead to death, as it is highly poisonous and passes easily cell membranes. Based on its structure, why is it able to pass so easily through cell membranes? I-0-I IICIH