Unit 6 - Chemistry Of The Body - Part 3 Flashcards Preview

Chemistry in the Community - Kautz > Unit 6 - Chemistry Of The Body - Part 3 > Flashcards

Flashcards in Unit 6 - Chemistry Of The Body - Part 3 Deck (25)
Loading flashcards...
1

What is the term for 3 coiled chains of alpha keratin?

Supercoiled

2

What carries Ca2+ from the digestive tract into the bones?

Vitamin D

3

What is the term for skin cancer - believed to be linked to excessive exposure to the sun?

Melanoma

4

What is the term for the outer layer of the skin?

Epidermis

5

What is the term for molecules that do not have charges on the molecule?

Nonpolar molecules

6

What is the term for the glands that secrete mostly water and salt?

Sweat glands

7

What is the type of bonding that occurs in protein chains and the hydrogen is strongly attracted to a different oxygen molecule?

Hydrogen bonding

8

What is the term for the basic structural unit - - it is a protein chain?

Alpha keratin

9

What is the term for the burning of the skin in small amounts?

Tanning

10

What is the term for a skin darkening material that forms during sun tanning to give our skin its color?

Melanin

11

What is the term for the inner layer of the skin?

Dermis

12

What is the term for the dead skin cells on your body that clump together and close the pores?

Gene

13

What is the term for the molecules that have a positive and negative charge?

Polar molecules

14

What are the glands that secrete oil and keep the skin flexible?

Oil glands

15

What is the term for where each hair grows out of - it is a small, deep pocket in the scalp?

Follicle

16

What is the term for the bonds that form between 2 sulfur contains regions between or within a problem?

Disulfide bridges

17

What is the term for each hair that is made of bundles of micro fibrils surrounded by a tough outer layer?

Cuticle

18

What is the term for the attraction between an ionic structure in one protein chain and an oppositely charged ionic structure in a different chain?

Ionic bonding

19

Give an example of a polar and a non polar substance.

Water and oil

20

What will dissolve a polar substance?

Polar

21

What household cleaner will react with grease - - it is also a good cleaning agent for the kitchen but NOT your skin?

Ammonia

22

Why do we have sweat glands?

To keep the body’s temperature constant

23

What is the side effect if we secret too little oil?

Chapped lips

24

What is the side effect if we secret too much oil?

Clogged Pores

25

What are two types of glands in the skin?

Oil Gland
Sweat glands