Chapter Questions
For each set of terms below, choose the one that does not belong and explain why it does not belong.capsule-pilus- endospore
For each set of terms below, choose the one that does not belong and explain why it does not belong.binary fission-nitrogen fixation - conjugation
For each set of terms below, choose the one that does not belong and explain why it does not belong.endospore-nucleoid-nitrogen fixation
Which organism is not included in Domain Archaea?A. cyanobacteriaB. methanogensC. halophilic bacteriaD. thermoacidophilic bacteria
Why is an electron microscope useful when studying bacteria?A. Electrons can penetrate through the capsule surrounding bacteria.B. Bacteria are tiny.C. Bacteria move so quickly; the electrons stun the bacteria.D. Bacteria organelles are small and tightly packed together.
Which line on the graph best indicates the growth rate of a population of bacteria living in ideal conditions?A. line IB. line IIC. line IIID. line IV
Which line on the graph best indicates the growth rate of a population of bacteria exposed to an effective antibiotic?A. line IB. line IIC. line IIID. line IV
You have just been named a contestant on the reality show Fear Factor. Your first challenge is to swallow microbes. Which would be the most dangerous to swallow?A. thermoacidophilic bacteriaB. halophilic bacteriaC. Escherichia coliD. a bacteriophage
Which is the correct identification for the bacteria shown above?A. I - cocci, II - bacilli, III - spirochetesB. I- bacilli, II - cocci, III - spirochetesC. I - spirochetes, II - cocci, III - bacilliD. I - bacilli, II - spirochetes, III - cocci
What is the likely cause of tooth decay?A. a lysogenic virus infecting the living cells of the toothB. bacteria feeding on the sugar in the mouth and producing acidC. an excess of vitamin K production by mouth bacteriaD. nitrogen-fixing bacteria releasing ammonia thatis eroding the tooth enamel
Open Ended Make an argument for or against the following statement: Living organisms on Earth owe their lives to bacteria.
Short Answer Describe characteristics of bacteria (both at the individual and population level) that make them tough to destroy.
Open Ended What types of arguments do you think biologists use when they say bacteria were the first organisms on Earth?
Speculate what life on Earth might be like if cyanobacteria had never evolved.
Predict any ecological consequences that would result if all types of nitrogen-fixing bacteria suddenly went extinct.
Describe some of the diverse characteristics of prokaryotes.
Use what you know about the vocabulary terms on theStudy Guide page to describe what the terms in eachpair below have in common.lytic cycle- lysogenic cycle
Use what you know about the vocabulary terms on the Study Guide page to describe what the terms in each pair below have in common.prion-virus
Use what you know about the vocabulary terms on the Study Guide page to describe what the terms in each pair below have in common.capsid-prion
Use what you know about the vocabulary terms on the Study Guide page to describe what the terms in each pair below have in common.virus-retrovirus
1. Viruses contain which substances?A. genetic material and a capsidB. a nucleus, genetic material, and a capsidC. a nucleus, genetic material, a capsid, and ribosomesD. a nucleus, genetic material, a capsid, ribosomes, and a plasma membrane
Which labeled structure represents the genetic material of a virus?A. $A$B. $B$c. $C$D. $D$
Which structure represents the capsid of a virus?A. $A$B. $B$C. $C$D. $D$
HIV is a retrovirus. What does this mean?A. Viral RNA is used to make DNA.B. Viral DNA is used to make RNA.C. Protein is made directly from viral RNA.D. Protein is made directly from viral DNA.
Which statement about prions is true?A. Prions are renegade pieces of RNA that infect cells.B. Prions are infectious proteins.C. Prion-based diseases only affect cows.D. Prions are a newly discovered type of genetic material.
Imagine that a patient in a hospital has died mysteriously. A doctor suspects the cause of death is Creutzfeldt-Jacob disease. How could this diagnosis be confirmed?A. by examining the blood to see if there is a high viral countB. by asking the patient's family and friends if the patient consumed a lot of meatC. by examining the brain to see if there are a lotof spaces in the tissueD. by examining nerve cells to see if they have been affected by a bacterial neurotoxin
Which organisms does this virus infect?A. humansB. bacteria$\mathbf{C} .$ plantsD. fungi
Open Ended Make an argument for or against the following statement: Viruses are living organisms.
Open Ended Should people with highly contagious, potentially deadly viruses be quarantined? Defend your response.
Open Ended Make an argument for or against the following statement: Prions are just viruses that lack a capsid.
Infer why it is more difficult to make an antiviral drug that fights a virus that replicates through the lysogenic cycle than it is to make one that fights a virus that replicates through the lytic cycle.
Evaluate why it is easier to make drugs that fight bacteria than drugs that fight viruses, even though viruses are structurally less complex than bacteria.
Hypothesize and develop a technique to slow down or stop a viral replication cycle.
Develop a list of different careers that are associated with bacteria, viruses, and prions.
What is Biology Prepare a newspaper article that clearly explains the differences between disease-causing bacteria and viruses.
Which Biology Compose a sentence that explains each step in the sequence of events in the replication of HIV.
There were three worldwide influenza epidemics during the twentieth century. The number of deaths is presented in the table below.Which epidemic was the most deadly?
There were three worldwide influenza epidemics during the twentieth century. The number of deaths is presented in the table below.Why were deaths not as high in the United States with the Hong Kong flu compared to the Asian flu, but were higher worldwide?
There were three worldwide influenza epidemics during the twentieth century. The number of deaths is presented in the table below.Hypothesize why a flu epidemic eventually stops instead of eliminating all human life.
Explain how the concepts of observation, inference, and skepticism differ. (Chapter 1 )
Summarize the overall reactions of photosynthesis and cellular respiration. (Chapter 8)
Summarize how a cancer cell cycle is different than a normal cell cycle. (Chapter 9 )
Describe the primate groups that comprise the anthropoids. (Chapter 16)