Question 1

Match the prokaryotic cell structures with their functions.
-contains information used to construct proteins

Accepted Answer

A) capsule 
B) pili 
C) flagella 
D) ribosomes 
E) DNA 
A) capsule 
B) pili 
C) flagella 
D) ribosomes 
E) DNA

Question 2

Why do prokaryotes reproduce more rapidly than single-celled eukaryotes?

Accepted Answer

A)  Only prokaryotes use asexual reproduction. 
B)  Prokaryotes have much less DNA than eukaryotes. 
C)  Prokaryotes live in more diverse environments. 
D)  Prokaryotes use pili to adhere to each other. 
A)  Only prokaryotes use asexual reproduction. 
B)  Prokaryotes have much less DNA than eukaryotes. 
C)  Prokaryotes live in more diverse environments. 
D)  Prokaryotes use pili to adhere to each other.

Question 3

Bacteria and archaea are both classified as

Accepted Answer

A)  eukaryotes. 
B)  protists. 
C)  fungi. 
D)  prokaryotes. 
A)  eukaryotes. 
B)  protists. 
C)  fungi. 
D)  prokaryotes.

Question 4

Prokaryotes that are observed "swimming" through a liquid environment most likely possess

Accepted Answer

A)  pili. 
B)  a capsule. 
C)  a flagellum. 
D)  a nucleus. 
A)  pili. 
B)  a capsule. 
C)  a flagellum. 
D)  a nucleus.

Question 5

A prokaryote that uses carbon dioxide for photosynthesis and sunlight for energy is called a(n)________.

Accepted Answer

The answer of A prokaryote that uses carbon dioxide for...

Question 6

Prokaryotes that are observed attaching onto nonliving surfaces most likely possess

Accepted Answer

A)  pili. 
B)  a capsule. 
C)  a flagellum. 
D)  a nucleus. 
A)  pili. 
B)  a capsule. 
C)  a flagellum. 
D)  a nucleus.

Question 7

The prokaryotic structures used to link bacteria together and adhere to surfaces are called ________.

Accepted Answer

The answer of The prokaryotic structures used to link bacteria...

Question 8

A single-celled organism has linear DNA enclosed within a nucleus.This organism must be a(n)

Accepted Answer

A)  eukaryote because it has a nucleus. 
B)  bacterium because it is single-celled. 
C)  archaean because it has linear DNA. 
D)  prokaryote because it has a nucleus. 
A)  eukaryote because it has a nucleus. 
B)  bacterium because it is single-celled. 
C)  archaean because it has linear DNA. 
D)  prokaryote because it has a nucleus.

Question 9

As shown in the figure below,a single bacterium has a generation time of 10 minutes.Approximately how much time will have passed when the population is 100 cells?

Accepted Answer

A)  20 minutes 
B)  50 minutes 
C)  70 minutes 
D)  100 minutes 
A)  20 minutes 
B)  50 minutes 
C)  70 minutes 
D)  100 minutes

Question 10

Prokaryotes described as chemoautotrophs are represented by the category labeled ________ in the figure below.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
A)  A 
B)  B 
C)  C 
D)  D

Question 11

A photosynthetic,heterotrophic prokaryote fits in the category represented by the letter ________ in the figure below.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
A)  A 
B)  B 
C)  C 
D)  D

Question 12

Match the prokaryotic cell structures with their functions.
-used for protein synthesis

Accepted Answer

A) capsule 
B) pili 
C) flagella 
D) ribosomes 
E) DNA 
A) capsule 
B) pili 
C) flagella 
D) ribosomes 
E) DNA

Question 13

Explain why the growth curve shown in the figure below changes from a relatively flat line to a steeper upward line as the generation number increases.

Accepted Answer

The growth curve shown indicates exponen

Question 14

Determine whether a cell structure is found in prokaryotes only,eukaryotes only,or both prokaryotes and eukaryotes.
-ribosomes

Accepted Answer

A) prokaryotes only 
B) eukaryotes only 
C) both prokaryotes and eukaryotes 
A) prokaryotes only 
B) eukaryotes only 
C) both prokaryotes and eukaryotes

Question 15

Prokaryotes typically reproduce by splitting in two through a process called ________.

Accepted Answer

The answer of Prokaryotes typically reproduce by splitting in two...

Question 16

Determine whether a cell structure is found in prokaryotes only,eukaryotes only,or both prokaryotes and eukaryotes.
-DNA

Accepted Answer

A) prokaryotes only 
B) eukaryotes only 
C) both prokaryotes and eukaryotes 
A) prokaryotes only 
B) eukaryotes only 
C) both prokaryotes and eukaryotes

Question 17

Archaeans are often referred to as "extremophiles" because they are

Accepted Answer

A)  capable of living in extreme environments where other organisms cannot function. 
B)  the only living organisms to reproduce using binary fission, an extreme form of asexual reproduction. 
C)  examples of the earliest life-forms on Earth and have existed for an extremely long time. 
D)  single-celled organisms that have extreme mechanisms for causing diseases in humans. 
A)  capable of living in extreme environments where other organisms cannot function. 
B)  the only living organisms to reproduce using binary fission, an extreme form of asexual reproduction. 
C)  examples of the earliest life-forms on Earth and have existed for an extremely long time. 
D)  single-celled organisms that have extreme mechanisms for causing diseases in humans.

Question 18

The belly button project has used citizen scientists to collect information about the prevalence of different belly button species.Using the graphic shown below,determine species abundance from most abundant to least abundant.

Accepted Answer

A)  Staphylococcaceae, Porphyromonos, Corynebacterium, Anaerococcus 
B)  Porphyromonos, Anaerococcus, Staphylococcaceae, Corynebacterium 
C)  Corynebacterium, Staphylococcaceae, Anaerococcus, Porphyromonos 
D)  Anaerococcus, Porphyromonos, Corynebacterium, Staphylococcaceae 
A)  Staphylococcaceae, Porphyromonos, Corynebacterium, Anaerococcus 
B)  Porphyromonos, Anaerococcus, Staphylococcaceae, Corynebacterium 
C)  Corynebacterium, Staphylococcaceae, Anaerococcus, Porphyromonos 
D)  Anaerococcus, Porphyromonos, Corynebacterium, Staphylococcaceae

Question 19

Prokaryotes have an optimum temperature for growth.If a prokaryote can divide into two cells every 20 minutes when the temperature is 37ᵒC,what would happen if the temperature dropped to 35ᵒC?

Accepted Answer

A)  The prokaryote would continue to divide every 20 minutes. 
B)  The generation time would increase. 
C)  The generation time would decrease. 
D)  The prokaryote would be unable to divide. 
A)  The prokaryote would continue to divide every 20 minutes. 
B)  The generation time would increase. 
C)  The generation time would decrease. 
D)  The prokaryote would be unable to divide.

Question 20

Bacterial conjugation is the process in which a bacterium

Accepted Answer

A)  splits in two. 
B)  exchanges DNA directly with another bacterium. 
C)  adheres to a surface to form a biofilm. 
D)  takes in DNA from its environment. 
A)  splits in two. 
B)  exchanges DNA directly with another bacterium. 
C)  adheres to a surface to form a biofilm. 
D)  takes in DNA from its environment.

Exam 15: Bacteria and Archaea

Match the prokaryotic cell structures with their functions. -contains information used to construct proteins

Why do prokaryotes reproduce more rapidly than single-celled eukaryotes?

Bacteria and archaea are both classified as

Prokaryotes that are observed "swimming" through a liquid environment most likely possess

A prokaryote that uses carbon dioxide for photosynthesis and sunlight for energy is called a(n)________.

Prokaryotes that are observed attaching onto nonliving surfaces most likely possess

The prokaryotic structures used to link bacteria together and adhere to surfaces are called ________.

A single-celled organism has linear DNA enclosed within a nucleus.This organism must be a(n)

As shown in the figure below,a single bacterium has a generation time of 10 minutes.Approximately how much time will have passed when the population is 100 cells?

Prokaryotes described as chemoautotrophs are represented by the category labeled ________ in the figure below.

A photosynthetic,heterotrophic prokaryote fits in the category represented by the letter ________ in the figure below.

Match the prokaryotic cell structures with their functions. -used for protein synthesis

Explain why the growth curve shown in the figure below changes from a relatively flat line to a steeper upward line as the generation number increases.

Determine whether a cell structure is found in prokaryotes only,eukaryotes only,or both prokaryotes and eukaryotes. -ribosomes

Prokaryotes typically reproduce by splitting in two through a process called ________.

Determine whether a cell structure is found in prokaryotes only,eukaryotes only,or both prokaryotes and eukaryotes. -DNA

Archaeans are often referred to as "extremophiles" because they are

The belly button project has used citizen scientists to collect information about the prevalence of different belly button species.Using the graphic shown below,determine species abundance from most abundant to least abundant.

Prokaryotes have an optimum temperature for growth.If a prokaryote can divide into two cells every 20 minutes when the temperature is 37ᵒC,what would happen if the temperature dropped to 35ᵒC?

Bacterial conjugation is the process in which a bacterium

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