in class wk 2

Question 1

The causative agent for Lyme disease is a

Answer 1

spirochete

Question 2

____________ is the organism that is a common cause of peptic ulcers

Answer 2

H. Pylori

Question 3

Staphylococci and streptococci are best classified as ____________

Answer 3

gram positive cocci

Question 4

Bacteria whose overall shape is spherical or nearly spherical are referred to as ______________

Answer 4

cocci

Question 5

______________ are cocci arranged in cubes of eight and occur when daughter cells remain attached after division

Answer 5

sarcinae

Question 6

Microorganisms that acquire energy from light are called _______________

Answer 6

phototrophs

Question 7

Microorganisms that grow only in the presence of oxygen are called ______________

Answer 7

obligate aerobes

Question 8

A “bull’s-eye” rash is a topical of ________ disease

Answer 8

lyme

Question 9

The time required for doubling of the population is called the _________________

Answer 9

generation time

Question 10

The Baltimore classification system places viruses into _________ groups

Answer 10

seven

Question 11

Viruses consist of genetic material housed in the viral coat or __________

Answer 11

capsid

Question 12

Many viruses have a structure called a(n) _______________ which surrounds the capsid and is formed by budding through the cell membrane of a host cell

Answer 12

envelope

Question 13

A non-enveloped virus that commonly causes respiratory illnesses are __________________

Answer 13

adenoviruses

Question 14

A persistent infection that is not lytic, but not productive is called a ____________ infection

Answer 14

chronic

Question 15

Kuru is caused by a ________

Answer 15

prion

Question 16

A virus that infects bacteria is referred to as a ______________

Answer 16

bacteriophage

Question 17

A fully assembled virus is called a _______________

Answer 17

virion

Question 18

The phase during which no infection phage particles can be found in a host cell is the _____________ period

Answer 18

eclipse

Question 19

The stage of viral multiplication during which the virus attaches to the host cell is called ____________.

Answer 19

adsorption

Question 20

Fungi are free-living ___________ organisms

Answer 20

hetertrophs

Question 21

Morphologically fungi are divided into three groups: mushrooms, yeast, and __________

Answer 21

mold

Question 22

The antibiotics penicillin and cephalosporin are produced by _________

Answer 22

fungi

Question 23

Fungi that help the roots of plants to absorb minerals and water from the soil are ______________

Answer 23

mycorhizzae

Question 24

Fungi growing on the surface of the skin or hair may cause infections called ___________ mycoses

Answer 24

superficial

Question 25

All _________ are photosynthetic and aquatic

Answer 25

algae

Question 26

The vegetative structure of algae formed during asexual reproduction is referred to as ____________

Answer 26

thallus

Question 27

______________ are a group of microorganisms that are eukaryotic, unicellular, and lack a cell wall.

Answer 27

protozoans

Question 28

The main methods of asexual reproduction in protozoans are fission, budding, and ___________ which is a term for multiple division of the nucleus before the cell divides

Answer 28

schizogeny

Question 29

Some protozoans survive unfavorable conditions by entering a dormant stage called a _________

Answer 29

cysts

Question 30

______________ is an apicomplexan that requires transmission between several hosts

Answer 30

malaria

Question 31

Parasitic ____________ are generally found in the blood, urine, or feces

Answer 31

helminths

Question 32

__________________ are flatworms. Parasitic flatworms are divided into nematodes and cestodes

Answer 32

platyhelminths

Question 33

The common name for nematodes is _______________

Answer 33

round worms

Question 34

The life cycle of a parasitic helminth ends with an adult parasite that is found in the ______________ host

Answer 34

definitive

Question 35

Trematodes are commonly called _______________

Answer 35

flukes