Proteins

1.

Proteins

2.

Lesson objectives
To learn biological functions of
proteins

3.

Proteins are polymers.
They are made up of monomers
called amino acids.
There are 20 types of amino
acids

4.

Functions of proteins
Proteins carry out many functions

5.

Structural function:
they participate in the cell structure (cell
membrane, cytoskeleton)

6.

They make up hairs and nails

7.

Transport function:
hemoglobin transport oxygen gas

8.

Defense function:
defense molecules called antibodies are
proteins

9.

Regulation function:
most of hormones are proteins

10.

Movement:
animal muscular tissue is made up of actin
and myosin proteins

11.

Energy
proteins are tertiary source of energy

12.

Pigment
a protein pigment called melanin
gives color to skin, hair and eye.

13.

Food rich in protein

14.

New words
Amino acid-аминқышқылы, аминокислота
Carry out-орындау, выполнять
Protein-нәруыз, белок
Participate-қатысу, участвовать
Defense, protection-қорғаныс, защита
Hemoglobin-гемоглобин
Regulation-реттеу, регулировать
Hormone-гормон
Antibody-антидене, антитело
Tertiary source of energy- үшінші реттік энергия көзі,
третичный источник энергии
Melanin-меланин
Pigment-бояғыш зат, пигмент

15.

Homework
Copy the slide
Read pages 18-19
Literacy questions on p. 19
Test on p. 20