4 Biological molecules

Question 1

Protein

Answer 1

An organic compound that is made of one or more chains of amino acids

Question 2

emulsifying Fats (Lipids)

Answer 2

add ethanol and water and shake
white emulsion occurs

Question 3

Complex carbohydrates

Answer 3

Starch, Cellulose and Glycogen are examples of these

Question 4

Simple carbohydrates

Answer 4

made of monosaccharides such as glucose and fructose and disaccharides such as lactose and sucrose

Question 5

Benedicts test

Answer 5

a simple biochemical reaction to detect the presence of reducing sugars.
From blue to
Green- little
Yellow- some
Red- alot

Question 6

Biuret solution

Answer 6

indicator that turns purple in the presence of protein

Question 7

Iodine
food test

Answer 7

Turns blue black in the presence of starch

Question 8

Amino acids

Answer 8

Building blocks of proteins

Question 9

Glycogen

Answer 9

A storage carbohydrate found in muscles. Made up of lots of glucose molecules joined together

Question 10

Starch

Answer 10

storage form of glucose in plants

Question 11

Carbon, Hydrogen, Oxygen

Answer 11

Elements found in lipids and carbohydrates

Question 12

C, H, O, N (sometimes sulfur)

Answer 12

Elements found in proteins

Question 13

DCPIP

Answer 13

Turns from blue to colorless when there is a certain amount of vitamin C

Question 14

Cellulose

Answer 14

A structural polysaccharide that is a component of cell walls in plants.

Question 15

C, H, O

Answer 15

elements found in carbs

Question 16

C, H, O, N, P

Answer 16

elements found in DNA or RNA

Question 17

Nucleic acid
what is it made of

Answer 17

made of nucleotides

Question 18

Cellulose made of

Answer 18

d-glucose units

Question 19

Starch and glycogen
What is it made up of

Answer 19

Starch is comprised of both amylose (linear) and amylopectin (branched) molecules. Glycogen is only comprised of glycogen molecules which are more branched than amylopectin.