Exam One - 1.4 Cellular Metabolism

Question 1

Property of living organisms we are focused on for this unit is…

Answer 1

the ability to acquire, transform, store, and use energy

Question 2

Energy is the ____________ to do ______

Answer 2

Energy is the capacity to do work

Question 3

chemical work

Answer 3

making and breaking chemical bonds

Question 4

transport work

Answer 4

moving ions, molecules, and larger particles
useful for creating concentration gradients

Question 5

mechanical work

Answer 5

moving organelles, changing cell shape, beating flagella and cilia
contracting muscles

Question 6

Two forms of energy

Answer 6

kinetic and potential

Question 7

First law of thermodynamics

Answer 7

law of conservation of energy
total amount of energy in the universe is constant

Question 8

Second law of thermodynamics

Answer 8

processes move from state of order to disorder (entropy)

Question 9

Activation energy

Answer 9

initiates reactions

Question 10

Free energy can be:

Answer 10

stored or released
endergonic or exergonic

Question 11

exergonic reaction

Answer 11

“exothermic”
produces energy and releases energy ex - fireworks (on the graph you end up with less energy than you started with)

Question 12

Endergonic reaction

Answer 12

“endothermic”
energy utilizing/sucks up energy ex - ice on beaker (on graph you end up with more energy than you started with)