Bio Lab Final

Question 1

What is a cataylst in biological systems?

Answer 1

A substance that speeds up a chemical reaction without being consumed

Question 2

Enzyme

Answer 2

A biological catalyst that accelerates chemical reactions by lowering activation energy

Question 3

Activiation energy

Answer 3

A barrier that needs to be overcome for a chemical reaction to proceed

Question 4

What is an enzyme substrait complex

Answer 4

A temporary molecule formed when an enzyme binds to its substraate during a reaction

Question 5

What are the main factors affecting enzyme activity?

Answer 5

Temp, Ph, and concentration

Question 6

What is the purpose of aseptic/sterile technique?

Answer 6

to prevent contamination by unwatned microorganisms

Question 7

How is algae density measured?

Answer 7

Light absorbance / interpreting graph of algae counts/biomass

Question 8

What is the purpose of a standard curve?

Answer 8

to determine the concentration of cells or molecules in a sample based on known reference points

Question 9

What is the benefit of spices?

Answer 9

Anti-microbial properties

Question 10

Why do phytochemicals evolve in spices?

Answer 10

to protect against herbavores, pathogens, stress, and attract pollinators

Question 11

What was the purpose of the LIAT study?

Answer 11

To stimuate and study ecological interactions in a controlled ecosystem

Question 12

Optimal pH for enzyme activity

Answer 12

7 or whatever is best

Question 13

What are macromolecules?

Answer 13

Large complex molecules essential for life

Question 14

What is a carb made of

Answer 14

Carbon, hydrogen, and oxygen

Question 15

What is a monosacchride?

Answer 15

A single sugar molecule

Question 16

What is a disacchride

Answer 16

2 monosacchrides bonded together

Question 17

What is a polysacchride

Answer 17

A long chain of monosacchrides

Question 18

What is a lipid

Answer 18

Non-polar molecule used for energy storage and insulation

Question 19

What is a protein

Answer 19

Macromolecule made of amino acids and is a structure for enzymes

Question 20

What is an amino acid

Answer 20

Building block of proteins

Question 21

What is the basic structure of a protein

Answer 21

Chains of amino acids folded into complex shapes

Question 22

Browning of a potato

Answer 22

Catrchol oxidase converts to benzoquine

Question 23

Substrate

Answer 23

The molecule an enzyme acts on

Question 24

Product

Answer 24

The molecules formed after an enzyme catalyzes the reaction