Question 1

Which of the following activities does NOT require cellular energy?

Accepted Answer

A) Swimming movements of some types of cells 
B) Driving endergonic reactions 
C) Movement of organelles within cells 
D) Movement of water across the cell membrane 
A) Swimming movements of some types of cells 
B) Driving endergonic reactions 
C) Movement of organelles within cells 
D) Movement of water across the cell membrane

Question 2

Do all cells contain the same enzymes? Support your answer.

Accepted Answer

No,different types of cells ha

Question 3

In reference to enzyme activities,repressors _____ the active site,while activators ________ it.

Accepted Answer

A) restore,disrupt 
B) promote,disrupt 
C) disrupt,restore 
D) disrupt,promote 
E) stimulate,repress 
A) restore,disrupt 
B) promote,disrupt 
C) disrupt,restore 
D) disrupt,promote 
E) stimulate,repress

Question 4

The process of lowering the activation energy of a chemical reaction is called _______.

Accepted Answer

The answer of The process of lowering the activation energy...

Question 5

List and explain four uses for ATP in a cell.

Accepted Answer

1. Energy for cellular processes: ATP is

Question 6

Which of the following factors do NOT influence the action of enzymes?

Accepted Answer

A) Temperature of the cytoplasm 
B) The amount of reactant in the cell 
C) pH of the cytoplasm 
D) Relative humidity 
E) Presence of a repressor 
A) Temperature of the cytoplasm 
B) The amount of reactant in the cell 
C) pH of the cytoplasm 
D) Relative humidity 
E) Presence of a repressor

Question 7

Objects that are moving are said to possess:

Accepted Answer

A) kinetic energy 
B) potential energy 
C) entropy 
D) living energy 
A) kinetic energy 
B) potential energy 
C) entropy 
D) living energy

Question 8

Chemical reactions that release energy are called ______ reactions.

Accepted Answer

A) exergonic 
B) endergonic 
C) catalysis 
D) catalytic 
A) exergonic 
B) endergonic 
C) catalysis 
D) catalytic

Question 9

In __________ reactions,the products contain more energy than the reactants.

Accepted Answer

The answer of In __________ reactions,the products contain more energy...

Question 10

Which are the components of an ATP molecule?

Accepted Answer

A) deoxyribose,3 phosphates,1 guanine 
B) ribose,2 phosphates,1 thymine 
C) deoxyribose,ribose,1 cytosine 
D) ribose,3 phosphates,1 adenine 
E) glucose,3 phosphates,1 guanine 
A) deoxyribose,3 phosphates,1 guanine 
B) ribose,2 phosphates,1 thymine 
C) deoxyribose,ribose,1 cytosine 
D) ribose,3 phosphates,1 adenine 
E) glucose,3 phosphates,1 guanine

Question 11

The site on the surface of a reactant where it binds to the enzyme is called the:

Accepted Answer

A) reactive site 
B) allosteric site 
C) active site 
D) binding site 
A) reactive site 
B) allosteric site 
C) active site 
D) binding site

Question 12

If a ball begins to roll down an incline,its ________ energy is converted into _______ energy.

Accepted Answer

The answer of If a ball begins to roll down...

Question 13

Which of the following processes does NOT use ATP?

Accepted Answer

A) Muscle contraction 
B) Active transport 
C) Heat production 
D) Diffusion of oxygen into the blood 
E) Cytoplasmic transport 
A) Muscle contraction 
B) Active transport 
C) Heat production 
D) Diffusion of oxygen into the blood 
E) Cytoplasmic transport

Question 14

The First Law of Thermodynamics states:

Accepted Answer

A) that energy can be changed from one form to another,but cannot be created or destroyed 
B) that energy is constantly being created by entropy events 
C) that energy can be used and then destroyed because of entropy's actions on it 
D) that energy can be destroyed while it is producing entropy 
A) that energy can be changed from one form to another,but cannot be created or destroyed 
B) that energy is constantly being created by entropy events 
C) that energy can be used and then destroyed because of entropy's actions on it 
D) that energy can be destroyed while it is producing entropy

Question 15

When an endergonic reaction is driven by the splitting of ATP molecules,such that both these reactions occur simultaneously,the two-part reaction is called a _____________ reaction.

Accepted Answer

The answer of When an endergonic reaction is driven by...

Question 16

Distinguish between reactants,substrates,and products.

Accepted Answer

Reactants are sometimes called

Question 17

What happens to enzymes when the temperature increases beyond their optimal reaction requirement?

Accepted Answer

The enzyme becomes denatured.C

Exam 5: Energy and Life

Which of the following activities does NOT require cellular energy?

Do all cells contain the same enzymes? Support your answer.

In reference to enzyme activities,repressors _____ the active site,while activators ________ it.

The process of lowering the activation energy of a chemical reaction is called _______.

List and explain four uses for ATP in a cell.

Which of the following factors do NOT influence the action of enzymes?

Objects that are moving are said to possess:

Chemical reactions that release energy are called ______ reactions.

In __________ reactions,the products contain more energy than the reactants.

Which are the components of an ATP molecule?

The site on the surface of a reactant where it binds to the enzyme is called the:

If a ball begins to roll down an incline,its ________ energy is converted into _______ energy.

Which of the following processes does NOT use ATP?

The First Law of Thermodynamics states:

When an endergonic reaction is driven by the splitting of ATP molecules,such that both these reactions occur simultaneously,the two-part reaction is called a _____________ reaction.

Distinguish between reactants,substrates,and products.

What happens to enzymes when the temperature increases beyond their optimal reaction requirement?

The Science of Biology

The Chemistry of Life

Molecules of Life

Cells

Photosynthesis: Acquiring Energy From the Sun

How Cells Harvest Energy From Food

Mitosis

Meiosis

Foundations of Genetics

DNA: the Genetic Material

How Genes Work

Genomics and Biotechnology

Evolution and Natural Selection

How We Name Living Things

Prokaryotes: the First Single-Celled Creatures

Protists: Advent of the Eukaryotes

Fungi Invade the Land

Evolution of the Animal Phyla

History of the Vertebrates

How Humans Evolved

The Animal Body and How It Moves

Circulation

Respiration

The Path of Food Through the Animal Body

Maintaining the Internal Environment

How the Animal Body Defends Itself

The Nervous System

The Senses

Chemical Signaling Within the Animal Body

Reproduction and Development

Evolution of Plants

Plant Form and Function

Plant Reproduction and Growth

Populations and Communities

Ecosystems

Behavior and the Environment

Human Influences on the Living World

Filters

In reference to enzyme activities,repressors _ the active site,while activators ____ it.

If a ball begins to roll down an incline,its __ energy is converted into _ energy.