Laboratory 3

Question 1

Four major types of molecules

Answer 1

1. Carbohydrates
2. Proteins
3. Lipids
4. Nuclei acids

Question 2

Is a solution of potassium iodide and iodine in water

Answer 2

Lugol’s Iodine

Question 3

It is a test that is used to detect starch in a given example

Answer 3

Iodine test

Question 4

It Is the absent of starch

Answer 4

Negative

Question 5

It is the present of starch

Answer 5

Positive

Question 6

Is a test used to check for the presence of reducing sugars in the given sample

Answer 6

Benedict’s test

Question 7

Is is a test used to detect the present of protein in chemical test

Answer 7

Biuret test

Question 8

It a test used to determine the Amount and present of cholesterol in chemical tests

Answer 8

Lipid test

Question 9

4 major classification of carbohydrates

Answer 9

1. Monosaccharides
2. Disaccharides
3. Oligosaccharides
4. Polysaccharides

Question 10

It is a simple sugars

Answer 10

Monosaccharides

Question 11

Two monosaccharides undergo a dehydration synthesis

Answer 11

Disaccharides

Question 12

Carbohydrates that contain 3 to 10 single sugar residues

Answer 12

Oligosaccharides

Question 13

A long chains of monosaccharides linked by glycosidic bonds

Answer 13

Polysaccharides

Question 14

Composed of amino acid residue linked by peptide bonds

Answer 14

Proteins

Question 15

Non polar nature and hydrophobic = insoluble in water

Answer 15

Lipids

Question 16

Building blocks of numerous hormones

Answer 16

Lipids