unit 3

Topics: Atom, Chemistry, Skin Pages: 15 (1472 words) Published: February 18, 2014
1. Match the following chemical terms with their definition: (Points : 15)
Potential Matches:
1 : Has lost electrons; indicated by a positive sign, as in Na+ 2 : Molecule that dissociates in water to form individual ions, ionic compound 3 : Substances whose molecules have more than one kind of atom 4 : Positively charged particle in nucleus

5 : Function is to store energy for later use M.
6 : Alkaline
7 : Double sugar made up of two monosaccharide units
8 : A group of atoms bound together in a group
9 : Non-charged particle in nucleus
10 : Chemical systems that absorb excess acids or bases maintaining a relatively stable pH 11 : A pure substance, made up of only one kind of atom
12 : Dissociate to form equal amounts of hydrogen ion and hydroxide ion 13 : Number of protons in the nucleus; determines the type of atom 14 : Opposite of base
15 : When acids and bases mix and form salts
Answer
: Proton
: Neutron
: Atomic number
: Element
: Molecule
: Compound
: Water molecules
: Base
: Acid
: Neutralization
: Buffers
: Disaccharide
: Carbohydrates
: Electrolyte
: Positive ion

Question 2.2. Skin

Microscopic View of Skin. Type the number in the empty box that corresponds with the appropriate letter in the diagram.

(Points : 15)
Potential Matches:
1 : a
2 : f
3 : b
4 : e
5 : g
6 : k
7 : m
8 : c
9 : j
10 : o
11 : h
12 : n
13 : d
14 : i
15 : l
16 : p
Answer
: Epidermis
: dermis
: subcutaneous fatty tissue/hypodermis
: sweat gland
: arrector pili muscle
: Pacinian corpuscle
: cutaneous nerve
: papilla of hair
: hair follicle
: sebaceous oil gland
: Meissner's corpuscle
: dermal papilla
: stratum germinativum
: stratum corneum
: hair shaft
: openings of sweat glands

Question 3.3. Cell

General Characteristics of a Cell. Type the number in the empty box that corresponds with the appropriate letter in the diagram. (Points : 15)
Potential Matches:
1 : i
2 : b
3 : h
4 : g
5 : m
6 : k
7 : o
8 : j
9 : f
10 : a
11 : e
12 : d
13 : c
14 : l
15 : n
Answer
: centrioles
: flagellum
: free ribosomes
: mitochondrion
: nuclear envelope
: nucleus
: nucleolus
: ribosomes
: cilia
: smooth endoplasmic reticulum
: rough endoplasmic reticulum
: plasma membrane
: lysosome
: cytoplasm
: golgi apparatus

Question 4.4. Type the number in the empty box that corresponds with the appropriate term for the statements(s) listed below. (Points : 5)
Potential Matches:
1 : Epidermis
2 : Sebaceous glands
3 : Hair follicles
4 : Eccrine sweat glands
Answer
: Which glands secrete oil, or sebum, for hair and skin? : These glands work throughout the body, helping to regulate body heat. : Hair growth requires epidermal, tubelike structure called _____. : The outermost and thinnest primary layer of skin is _____.

1. Match the following chemical terms with their definition: (Points : 15)
Potential Matches:
1 : Has lost electrons; indicated by a positive sign, as in Na+ 2 : Molecule that dissociates in water to form individual ions, ionic compound 3 : Substances whose molecules have more than one kind of atom 4 : Positively charged particle in nucleus

5 : Function is to store energy for later use M.
6 : Alkaline
7 : Double sugar made up of two monosaccharide units
8 : A group of atoms bound together in a group
9 : Non-charged particle in nucleus
10 : Chemical systems that absorb excess acids or bases maintaining a relatively stable pH 11 : A pure substance, made up of only one kind of atom
12 : Dissociate to form equal amounts of hydrogen ion and hydroxide ion 13 : Number of protons in the nucleus; determines the type of atom 14 : Opposite of base
15 : When acids and bases...
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Anthony Brandon Wong | Nieuw aangeboden | Семейный