Module 01 Exam - REVIEW

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In a fungus, a complex multicellular reproductive structure is called a(n):

fruiting body

Pseudopodia are used by Amoeba for ingesting food as well as for:

locomotion

Taxonomy is the science of:

naming, describing, and classifying organisms

When a virus penetrates the host plasma membrane and moves into the cytoplasm it is called:

penetration

What are the viruses that attack bacteria?

phages

The five stages of a lytic infection are attachment, penetration, _____________, assembly, and release.

replication

Which statement describes a virulent phage?

A virulent phage destroys bacteria.

Which one of these is not a mammal?

Amphibian

What is a lichen?

An association between a fungus and a cyanobacteria or green alga

At what stage of a lytic infection are phage components put together to make new viruses?

Assembly

Which of the following are rod-shaped bacteria?

Bacilli

Which of the following is a type of prokaryote?

Bacteria

Which statement about bacteria is TRUE?

Bacteria are cellular and are sometimes classified as life forms

Saccharomyces cerevisiae are useful for which of the following?

Baking

In a mutualistic form of symbiosis,

Both partners benefit

How do bacteria move?

By means of a rotating flagella

What is the protein coat of a virus called?

Capsid

Paramecium are classified into which of the following categories?

Ciliates

Which of the following taxa would be the most inclusive?

Class

A marine biologist examines a sample of seawater and finds many unicellular organisms with uniquely shaped and sculptured silica walls. Further testing indicates that these organisms are the main source of food for many aquatic animals. This organism is most likely a:

Diatoms

Which algal group contains individuals that are typically unicellular and form siliceous shells?

Diatoms

What is a chain of round bacteria called?

Streptococci

___________ is the scientific study of the diversity of organisms and their evolutionary relationships.

Systematics

How many domains form the three main branches of the tree of life?

Three

What makes up most of the mass of an individual mushroom?

Underground mycelium

The cell walls of fungi are composed of:

chitin

Some protists consist of a single cell with multiple nuclei. This condition is known as:

coenocytic

Hyphae that contain two genetically distinct, sexually compatible nuclei within each cell are described as:

dikaryotic

Protists have various means of locomotion; they move by all of the following means EXCEPT:

by mycelium

Which classification level contains the greatest number of species?

Domain

Members of which protist group is one of the fossilized deposits in the unique geological formation of the White Cliffs of Dover?

Foraminiferans

How are fungi differentiated from plants?

Fungi are heterotrophic

Which of the following taxa would be the least inclusive?

Genus

Individual fungal filaments are called

Hyphae

The virus cycle that destroys the host cell is the:

Lytic cycle

The densely branched network of hyphae in a fungus is called ____.

Mycelium

How do mycorrhizae benefit plants?

Mycorrhizae increase a plant's absorptive surface area of roots

After kingdom, what is the next taxon by which organisms are grouped?

Phylum

Asomycetes are NOT used for which of the following applications?

Prepare vinegar

_______________ are RNA viruses that have a DNA polymerase called reverse transcriptase, which transcribes the RNA genome into a DNA intermediate.

Retroviruses

How do retroviruses differ from other RNA viruses?

Retroviruses have reverse transcriptase instead of RNA-dependent RNA polymerase

Which genus is used to produce beer and wine?

Saccharomyces

In most fungi, hyphae are divided by cross walls, termed which of the following?

Septa

What is a very small infective agent that consists of a core of nucleic acid and is dependent on a living host?

Virus

Which of the following cause disease and often death?:

Viruses that have only a lytic cycle

Which unicellular fungus is probably in most kitchens?

Yeast

The term "clade" most closely refers to:

a group of organisms that share common characteristics inherited from a common ancestor

The most significant difference between archaea and bacteria is the:

absence of peptidoglycan in the cell walls of archaea.

Most protists are:

aquatic

Mushrooms that we eat are technically referred to as:

basidiocarps

Prokaryotes divide using a process called________.

binary fission

Linnaeus simplified scientific classification by developing:

binomial system of nomenclature

Yeasts reproduce asexually by:

budding


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