Draw and label the dinucleotide AT as follows: A. 5’ and 3’ ends B. Phosphodiester bond C. N-glycosidic bonds

Identify the base and sugar in each of the following nucleotides: A. CMP B. dAMP C. dTMP D. UMP

Draw a parallel beta sheet and an antiparallel beta sheet (three strands each). Show the hydrogen bonding pattern as well as the positions of the R groups of the amino acids. You do not need to draw the exact atoms; a simple representation is fine.

The structure of the dipeptide Gly-Asn is given by . The structures of the amino acids Gly and Asn are given below. NH2 H. ČH2 H3N-C-CO H. H3N-C-CO H. Asn Gly NH2 CH2 H H H2 C COO 2. H3N-C -C H. 1. H&N C C-NH C COO NH, NH2 CH2 H. H2 C C NH2 3. H3N-C C- -C COO 4. 0OC-C NH3" Click Save and Submit to save and submit. Click Save All Ansuwers to save all answers. MacBook Air esc 吕0 DII DD F1 F2 F3 F4 F5 F6 F7 F8 F9 @ 2$ & 1 2 4 5 7 8 Q W E R Y | A S D F G K C V N M < CO # 3 HICH

Consider the structure of the amino acid L-asparagine. Part 1 of 3 Draw the structure of L-asparagine at pH-6. Part 2 of 3 Click and drag to start drawing a structure. Draw the structure of L-asparagine at pH-2. Part 3 of 3 Click and drag to start drawing a structure. Draw the structure of L-asparagine at pH-10. Click and drag to start drawing a structure. 奶+ G D: x 5 x A :0 Q

Name the structure below:  A. Adenosine B. Cytidine C. Thymidylate D. Adenylate

Which of the following descriptions best describes the composition of nucleotides?   Group of answer choices A. a pentose sugar and a purine or pyrimidine B. a nitrogenous base, a phosphate group, and a pentose sugar C. a nitrogenous base and a pentose sugar D. a nitrogenous base and a phosphate group E. a phosphate group and an adenine or uracil

Consider the hydrogen bonding pattern of an α-helix with the following sequence: HLRTNAGCSY Asparagine’s amide hydrogen is hydrogen bonded to:       a. Serine’s side chain   b. Histidine’s backbone carbonyl oxygen   c. Cysteine’s backbone carbonyl oxygen   d. Serine’s backbone carbonyl oxygen   e. Histidine’s side chain

Which of these amino acids is a hydrophobic amino acid? (Select all that apply, if necessary.) A. B. C. D. E. iº H₂N-CH-C CH₂ T CH₂ CH₂ NH C=NH2 NH₂ amino acid E amino acid D amino acid B amino acid C amino acid A 200 H₂N-CH-C CH₂ C=O I OO H₂N-CH-C- CH₂ CH₂ T C=O T NH₂ 0 H₂N-CH- CH₂ CH-CH3 CH3 H₂N-CH-C CH₂ I OH -0

Match amino Acid R group characteristics to the biochemical bond it can form. Alanine ◆ Glycine Proline Aspartic Acid Lysine Tryptophan ◆ Methionine Threonine Asparagine Histidine A. Pi-bonding aromatic bonds B. Non-polar, contains a sulfur atom C. Non polar bonds D. Amide group bonds E. Inserts a kink (non-freely rotating bond F. Anionic group donating bonds G. Hydroxy group bonding H. Cationic group with pK = 6.0 I. No-R group - highly flexible J. Cationic group donating bond