Draw the structure of leucine at pH 6.8. Click and drag to start drawing a structure.

Consider the tripeptide phenylalanylcysteylmethionine. Part: 0/2 Part 1 of 2 Draw the structure of this tripeptide at physiological pH. Click and drag to start drawing a structure. C™ č X

7. QUALITATIVE ANALYSIS OF CARBOHYDRATES PRELAB QUESTIONS NAME 1. Identify the purpose of each test in the space provided. a) Benedict's test b) Seliwanoff's test c) Iodine test 2. A student ran an analysis on an unknown carbohydrate and observed the following results. The Benedict's test turned cloudy and the color changed from blue to brick red. The Sweliwanoff's test produced a light pink color after heating. The solution in the iodine test did not change color. a) Does the sugar contain an aldehyde or ketone? If so, which one? b) Is the unknown or simple or complex carbohydrate? 601

For questions 8 through 10, fill in constrict or dilate, then ↑ and ↓ arrows. 8.Acetylcholine will bronchioles → resistance → air flow 9. Histamine will bronchioles → resistance → air flow 10. Epinephrine will bronchioles →. resistance → air flow

Click the "draw structure" button to launch the drawing utility. Draw the structure of a naturally occurring amino acid that contains a thiol draw structure...

ball & stick < + labels This amino acid is W

Identlying Draw the structure of valyltyrosine, a dipeptide made from valine and tyrosine, as it would appear at physiological pH. 4 Click and drag to start drawing a structure. 0₁ X S C

QUESTION 5 A positive result for the biuret test will give a (color) solution indicating the presence yellow blue purple black a carbohydrate Click Save and Submit to save and submit. Click Save All Answers to save all answers. a protein a triglyceride water MacBook Air

proteins 1 The sequence of amino acids an example of a, protein structure. Select an answer and submit. For keyboard navigation, use the up/down arrow keysto select an answer. a. primary bi secondary tertiary Unanswered

Protein sequence is always read (blank) terminal to (blank) terminal.  And DNA sequence is always read (blank) prime to ( blank) prime.  I need help filling in the blanks please? ? Thanks