Chemistry Of Life Part 2

Question 1

Molecules furnishing electrons during chemical reactions are?

Answer 1

ELECTRON DONORS

Question 2

Molecules that gain electrons are called what?

Answer 2

ELECTRON ACCEPTORS

Question 3

What molecules accept electrons for a short period and use the energy to make ATP molecules (adenosine triphosphate)

Answer 3

ELECTRON CARRIERS

Question 4

What are the common substances found in all living systems?

Answer 4

WATER,CARBON DIOXIDE, OXYGEN,AMMONIA,MINERAL SALTS,CARBOhydrates, LIPIDS,PROTEINS, NUCLEIC ACIDS, AND ADENOSINE TRIPHOSPHATE (ATP)

Question 5

What are the common substances found in all living systems?

Answer 5

WATER,CARBON DIOXIDE, OXYGEN,AMMONIA,MINERAL SALTS, CARBOYDRATES,LIPIDS,PROTEINS,NUCLEIC ACID, AND ADENOSINE TRIPHOSPHATE

Question 6

What molecules use is slightly polar with two hydrogen atoms (with a partial positive charge) and an oxygen atom with a partial negative charge?

Answer 6

WATER

Question 7

What important roles does water have in the cells?

Answer 7

SERVES AS A MEDIUM OR SOLVENT FOR OTHER REACTIONS TO OCCUR IN
BASIS FOR TRANSPORTATION OF MATERIALS
ABSORBS AND RELEASES HEAT
PROTECTS
BASE OF ALL BODY LUBRICANTS

Question 8

What gas is produced as a waste product of cellular respiration?

Answer 8

CARBON DIOXIDE CO2

Question 9

What is necessary for plants to produce oxygen in photosynthetic reactions which converts the suns energy into usable chemical energy like glucose?

Answer 9

CARBON DIOXIDE CO2

Question 10

Where does all the carbon in carbon containing molecules of life come from directly and indirectly?

Answer 10

CARBON DIOXIDE CO2

Question 11

What is necessary for cellular respiration to occur converting glucose into ATP molecules?

Answer 11

OXYGEN O2

Question 12

What is produced as a by product of the breakdown of amino acids?

Answer 12

AMMONIA NH3

Question 13

AMINO acids contain__________ and are the building blocks of protein

Answer 13

NITROGEN

Question 14

What are the mineral salts?

Answer 14

CALCIUM (Ca+)
PHOSPHATE (PO4-)
CHLORIDE (C1-)
SODIUM (NA+)
POTASSIUM (K+)

Question 15

What is needed for muscle contraction and strong bones

Answer 15

CALCIUM

Question 16

What is needed to make ATP?

Answer 16

PHOSPHATE

Question 17

What is necessary for muscle contraction and nervous transmission?

Answer 17

SODIUM, POTASSIUM,AND CHLORIDE.

Question 18

What are the two important functions of carbohydrates?

Answer 18

ENERGY STORAGE AND STRUCTURAL STRENGTHENING OF THE CELL

Question 19

What are the important 5 carbon sugars?

Answer 19

DEOXYRIBOSE AMD RIBOSE

Question 20

What are the important 6 carbon sugars?

Answer 20

Glucose and fructose

Question 21

What is a sorcerer of energy, acts as insulators for the body and protects the organs?

Answer 21

Fat (lipids)

Question 22

A fat is called________ if the fatty acids contain single covalent bonds.

Answer 22

SATURATED

Question 23

A fat is called_______if the fatty acids have one or more double covalent bonds

Answer 23

UNSATURATED

Question 24

What contains carbon, hydrogen,sulfer, oxygen, and nitrogen?

Answer 24

PROTEINS

Question 25

What are the building blocks of a protein?

Answer 25

AMINO ACIDS

Question 26

What are the functions of proteins?

Answer 26

SOURCE OF ENERGY, STRUCTURE PROTEINS LIKE ACTIN AND MYOSIN IN MUSCLE CELLS, AND PROTEINS ARE AN ESSENTIAL PART OF A CELLS MEMBRANOUS STRUCTURE.

Question 27

What is the genetic material of the cell found in the nucleus that determine all the characteristics and functions of the cell?

Answer 27

DNA (deoxyribonucleic acid)

Question 28

What are the two forms of Ribonucleic acid (RNA) that is necessary for protein?

Answer 28

mRNA (MESSANGER) AND tRNA (TRANSFER)