Chapter 2 REVIEW

Question 1

The primary lipid in cell membranes is :

Answer 1

PHOSPHOLIPID

Question 2

When blood pH rises ABOVE 7.45, the system suffers from ____

Answer 2

ALKALOSIS

Question 3

Which is NOT considered a POLYMER ?

Answer 3

FATTY ACID

Question 4

The HIGHEST concentration of HYDROGEN IONS on pH SCALE is :

Answer 4

pH of 1

Question 5

Saturated, Monounsaturated, and Polyunsaturated fats DIFFER in :

Answer 5

ABSENCE OF or NUMBER OF DOUBLE COVALENT BONDS

Question 6

A ____ reaction involves the addition of water to break down large molecules into smaller molecules

Answer 6

HYDROLYSIS

Question 7

The more hydrogen ions present in a solution, the more ____ the solution

Answer 7

ACIDIC

Question 8

True/False : The quaternary structure is present in ALL proteins and consists of the combination of several polypeptide chains ?

Answer 8

FALSE; INCORRECT

Question 9

Which chemical BINDS FREE HYDROGEN IONS in SOLUTION ?

Answer 9

BASE

Question 10

All are properties of WATER, EXCEPT :

Answer 10

IT IS AN ORGANIC MOLECULE

Question 11

Organic and Inorganic compounds DIFFER in that :

Answer 11

INORGANIC COMPOUNDS LACK CARBON

Question 12

A BASE is a _________ in a solution

Answer 12

HYDROGEN ACCEPTOR

Question 13

In DNA, an ADENINE BASE will FORM 2 HYDROGEN BONDS with_____

Answer 13

A THYMINE BASE

Question 14

A ____ is a POLAR COVALENT BOND that joins 2 AMINO ACIDS together

Answer 14

PEPTIDE BOND

Question 15

Which 2 groups are ALWAYS FOUND in AMINO ACIDS ?

Answer 15

AMINO and CARBOXYLIC ACIDS

Question 16

The 4 nitrogenous bases found in DNA are :

Answer 16

ADENINE, GUANINE, CYTOSINE, and THYMINE

Question 17

Molecules or Compounds that WILL NOT DISSOLVE in WATER are :

Answer 17

HYDROPHOBIC

Question 18

____ is what occurs when a proteins structure and functions is LOST due to EXPOSURE OF EXTREME HEAT

Answer 18

DENATURATION

Question 19

The group of polymers are most important due to being responsible for the storage and execution of the genetic code, are the :

Answer 19

NUCLEIC ACIDS

Question 20

The monomer of the carbohydrates is _____

Answer 20

MONOSACCHARIDE

Question 21

A fatty acid containing TWO OR MORE double covalent bonds is ____

Answer 21

POLYUNSATURATED

Question 22

Amino acids are monomers for :

Answer 22

PROTEINS

Question 23

Building blocks of organic molecules are known as :

Answer 23

MONOMERS

Question 24

DNA contains ALL FEATURES, EXCEPT :

Answer 24

IT CONTAINS URACIL

Question 25

Which organic compound is NOT found in human body ?

Answer 25

STARCH

Question 26

What is the function of a Buffer ?

Answer 26

PREVENTS LARGE SWINGS IN pH WHEN AN ACID OR BASE IS ADDED

Question 27

Which is the SAME among ISOTOPES of SAME ELEMENT ?

Answer 27

ATOMIC NUMBER

Question 28

True/False : Homeostatic Reactions is a basic type of chemical reaction in the body ?

Answer 28

FALSE

Question 29

When an ATOM LOSES an ELECTRON _____

Answer 29

CATION

Question 30

When an ATOM GAINS an ELECTRON____

Answer 30

ANION

Question 31

The synthesis reactions that take place in the body are _____

Answer 31

ANABOLIC

Question 32

The decomposition reactions are _____ reactions

Answer 32

CATABOLIC

Question 33

A ____ forms when ELECTRONS are SHARED EQUALLY

Answer 33

NON-POLAR

Question 34

A _____ bond forms when ELECTRONS are SHARED UNEQUALLY

Answer 34

POLAR

Question 35

Atoms with the SAME ATOMIC NUMBER, but DIFFERENT MASS is _____

Answer 35

ISOTOPES

Question 36

Exchange reaction ?

Answer 36

AB+CD—>AD+BC

Question 37

Salts are held together by ?

Answer 37

IONIC BONDS

Question 38

What contributes to the calculation of mass number ?

Answer 38

SUM OF PROTONS AND NEUTRONS

Question 39

What predicts where the element of an atom belongs ?

Answer 39

TOTAL NUMBER OF PROTONS

Question 40

The 4-MAJOR ELEMENTS that make up 96% of ALL LIVING THINGS are :

Answer 40

HYDROGEN, OXYGEN, CARBON, and NITROGEN

Question 41

What happens in REDOX reactions ?

Answer 41

ELECTRON EXCHANGE OCCURS

Question 42

What determines HOW an atom INTERACTS with OTHER atoms and whether it will FORM BONDS with SPECIFIC atoms ?

Answer 42

VALENCE ELECTRONS

Question 43

What does the ATOMIC NUMBER REPRESENT ?

Answer 43

PROTONS IN AN ATOM

Question 44

Atoms that SATISFY the OCTET RULE are :

Answer 44

INERT

Question 45

Energy in the human body take on ALL FORMS, EXCEPT :

Answer 45

RADIANT ENERGY

Question 46

What INCREASES the RATE OF A REACTION ?

Answer 46

INCREASED REACTANT CONCENTRATION

Question 47

A ____ is a mixture that consists of a LIQUID MIXED WITH A SOLID ?

Answer 47

SUSPENSION

Question 48

Which property is NOT associated with ENZYMES ?

Answer 48

ENZYMES ALTER THE CHEMICAL REACTION

Question 49

A ____ bond is formed when 2-PAIRS of ELECTRONS are SHARED

Answer 49

DOUBLE

Question 50

Ionic Bonds result from ____

Answer 50

THE TRANSFER OF ELECTRONS FROM A METAL & NONMETAL

Question 51

Which reactions forms A+B+energy—>AB?

Answer 51

ENDERGONIC REACTION

Question 52

Which SUBATOMIC PARTICLE is POSITIVELY CHARGED ?

Answer 52

PROTON

Question 53

Which subatomic particle carries a NEGATIVE CHARGE ?

Answer 53

ELECTRON

Question 54

The atomic number represents ?

Answer 54

NUMBER OF PROTONS

Question 55

Nuclear Medicine uses ____ for diagnosis and treatment

Answer 55

RADIOISOTOPES

Question 56

The MASS NUMBER of an ATOM is DETERMINED by :

Answer 56

PROTONS + NEUTRONS

Question 57

The formation of a CATION and an ANION INDICATES ?

Answer 57

AN IONIC BOND

Question 58

What is the FUNCTION of an ENZYME ?

Answer 58

SPEED UP CHEMICAL REACTIONS BY LOWERING THE ACTIVATION ENERGY

Question 59

True/False : Buffers are one of the three basic types of mixtures ?

Answer 59

NO; FALSE

Question 60

When ELECTRONS located in OUTERMOST SHELL of atoms INTERACT, ____ is FORMED

Answer 60

CHEMICAL BONDS

Question 61

Anything that takes up SPACE and has MASS is :

Answer 61

MATTER

Question 62

Cytology is a topic WITHIN the field of :

Answer 62

MICROSCOPIC ANATOMY

Question 63

The CEPHALIC REGION is____ to the GLUTEAL REGION

Answer 63

SUPERIOR

Question 64

Which region CORRESPONDS with the CALF?

Answer 64

SURAL

Question 65

You are dissecting an eye and you want to cut it into ANTERIOR and POSTERIOR SECTIONS, you should CUT ALONG ?

Answer 65

THE FRONTAL PLANE

Question 66

Anterior is the SAME AS ?

Answer 66

VENTRAL

Question 67

Which abdominopelvic regions OVERLAP the LLQ?

Answer 67

LEFT ILIAC REGION

Question 68

The cellular structure that CAN DETECT STIMULI and SEND INFORMATION to CONTROL CENTER is _____

Answer 68

RECEPTOR