Question 1

Why is there no cure for prion-related diseases?

Accepted Answer

The misfolded protein is not recognized

Question 2

Which organelle could you remove and the cell would still survive?

Accepted Answer

A) Nucleus 
B) Golgi apparatus 
C) Mitochondria 
D) All organelles are required for the survival of the cell. 
A) Nucleus 
B) Golgi apparatus 
C) Mitochondria 
D) All organelles are required for the survival of the cell.

Question 3

A degenerative brain disorder transmitted by cannibalism is called ________.

Accepted Answer

A) kuru 
B) scrapie 
C) Creutzfeldt-Jakob disease 
D) herpes 
A) kuru 
B) scrapie 
C) Creutzfeldt-Jakob disease 
D) herpes

Question 4

Where would you expect to find methanogens?

Accepted Answer

A) Near a volcano 
B) In the surf along the beach 
C) On the surface of plants 
D) In the digestive tract of cows 
A) Near a volcano 
B) In the surf along the beach 
C) On the surface of plants 
D) In the digestive tract of cows

Question 5

If you looked at unknown cells under a microscope,what could lead you to correctly conclude that they are bacteria cells?

Accepted Answer

A) They appear to have a cell wall. 
B) They lack a nucleus. 
C) They are oblong. 
D) They form a colony. 
A) They appear to have a cell wall. 
B) They lack a nucleus. 
C) They are oblong. 
D) They form a colony.

Question 6

The misshapen version of a protein that causes properly folded proteins to misfold is the ________.

Accepted Answer

A) virus 
B) prion 
C) viroid 
D) capsid 
A) virus 
B) prion 
C) viroid 
D) capsid

Question 7

What do the nucleus and mitochondria have in common?

Accepted Answer

A) They both assemble proteins. 
B) They both make ATP. 
C) They both contain DNA. 
D) Their membranes are interconnected. 
A) They both assemble proteins. 
B) They both make ATP. 
C) They both contain DNA. 
D) Their membranes are interconnected.

Question 8

The practice of using bacteria to remove pollutants from the environment is called ________.

Accepted Answer

A) nitrogen fixation 
B) bioremediaton 
C) bioelimination 
D) transduction 
A) nitrogen fixation 
B) bioremediaton 
C) bioelimination 
D) transduction

Question 9

An infectious circular piece of RNA is the ________.

Accepted Answer

A) virus 
B) prion 
C) viroid 
D) capsid 
A) virus 
B) prion 
C) viroid 
D) capsid

Question 10

Why could prokaryotes survive without eukaryotes but eukaryotes could not survive without prokaryotes?

Accepted Answer

Prokaryotes were around for ov

Question 11

Which organelle can survive outside of the cells?

Accepted Answer

A) Nucleus 
B) Golgi apparatus 
C) Mitochondria 
D) No organelles can survive outside the cell. 
A) Nucleus 
B) Golgi apparatus 
C) Mitochondria 
D) No organelles can survive outside the cell.

Question 12

Plants are in the domain ________.

Accepted Answer

A) Prokarya 
B) Plantae 
C) Archaea 
D) Eukarya 
A) Prokarya 
B) Plantae 
C) Archaea 
D) Eukarya

Question 13

While most biologists do not consider viruses to be alive,viruses do share some characteristics with living things.Which of the following is a required trait for life that viruses share with living things?

Accepted Answer

A) The ability to reproduce on their own 
B) The ability to maintain homeostasis 
C) Having a cell 
D) Having highly ordered structure 
A) The ability to reproduce on their own 
B) The ability to maintain homeostasis 
C) Having a cell 
D) Having highly ordered structure

Question 14

Which is not a method of introducing new genes into a bacterium?

Accepted Answer

A) Transformation 
B) Transduction 
C) Binary fission 
D) Conjugation 
A) Transformation 
B) Transduction 
C) Binary fission 
D) Conjugation

Question 15

Many of the organic molecules associated with life can be created spontaneously under certain conditions.What do these conditions resemble?

Accepted Answer

A) Earth's core 
B) Primordial Earth 
C) The sun 
D) A comet 
A) Earth's core 
B) Primordial Earth 
C) The sun 
D) A comet

Question 16

By what means do the amoebas move?

Accepted Answer

A) Flagella 
B) Cilia 
C) Pseudopodia 
D) Amoebas do not move,they are anchored to the substrate. 
A) Flagella 
B) Cilia 
C) Pseudopodia 
D) Amoebas do not move,they are anchored to the substrate.

Question 17

Why is the conversion of atmospheric nitrogen (N₂ gas)into ammonium (NH₄)important for life on this planet?

Accepted Answer

A) Ammonium is an important cleaning agent. 
B) Nitrogen gas is toxic. 
C) Ammonium is a plant nutrient. 
D) Nitrogen gas leads to global warming. 
A) Ammonium is an important cleaning agent. 
B) Nitrogen gas is toxic. 
C) Ammonium is a plant nutrient. 
D) Nitrogen gas leads to global warming.

Why is there no cure for prion-related diseases?

Which organelle could you remove and the cell would still survive?

A degenerative brain disorder transmitted by cannibalism is called ________.

Where would you expect to find methanogens?

If you looked at unknown cells under a microscope,what could lead you to correctly conclude that they are bacteria cells?

The misshapen version of a protein that causes properly folded proteins to misfold is the ________.

What do the nucleus and mitochondria have in common?

The practice of using bacteria to remove pollutants from the environment is called ________.

An infectious circular piece of RNA is the ________.

Why could prokaryotes survive without eukaryotes but eukaryotes could not survive without prokaryotes?

Which organelle can survive outside of the cells?

Plants are in the domain ________.

While most biologists do not consider viruses to be alive,viruses do share some characteristics with living things.Which of the following is a required trait for life that viruses share with living things?

Which is not a method of introducing new genes into a bacterium?

Many of the organic molecules associated with life can be created spontaneously under certain conditions.What do these conditions resemble?

By what means do the amoebas move?

Why is the conversion of atmospheric nitrogen (N₂ gas)into ammonium (NH₄)important for life on this planet?

An Introduction to the Science of Life

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Energy and Life

Chromosomes and Inheritance

DNA: The Molecule of Life

Darwinian Evolution

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Ecology

Filters

Exam 8: Biodiversity 1: Microscopic Organisms

Why is there no cure for prion-related diseases?

Which organelle could you remove and the cell would still survive?

A degenerative brain disorder transmitted by cannibalism is called ________.

Where would you expect to find methanogens?

If you looked at unknown cells under a microscope,what could lead you to correctly conclude that they are bacteria cells?

The misshapen version of a protein that causes properly folded proteins to misfold is the ________.

What do the nucleus and mitochondria have in common?

The practice of using bacteria to remove pollutants from the environment is called ________.

An infectious circular piece of RNA is the ________.

Why could prokaryotes survive without eukaryotes but eukaryotes could not survive without prokaryotes?

Which organelle can survive outside of the cells?

Plants are in the domain ________.

While most biologists do not consider viruses to be alive,viruses do share some characteristics with living things.Which of the following is a required trait for life that viruses share with living things?

Which is not a method of introducing new genes into a bacterium?

Many of the organic molecules associated with life can be created spontaneously under certain conditions.What do these conditions resemble?

By what means do the amoebas move?

Why is the conversion of atmospheric nitrogen (N₂ gas)into ammonium (NH₄)important for life on this planet?

An Introduction to the Science of Life

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Energy and Life

Chromosomes and Inheritance

DNA: The Molecule of Life

Darwinian Evolution

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Ecology

Filters