The yeast ________ is used in the production of beer, wine, and bread.
What is saccharomyces?
True or False: Protozoans have a cell wall
What is false?
Members of this group have chitinous cell walls
What is a fungi?
Which of the following is mismatched?
a. Trematode-Fluke
b. Tick-Arachnid
c. Baker's Yeast-Algae
d. Apicomplexan-Protozoan
What is Baker's Yeast-Algae?
(Helminths) Humans may be a ____-_____ host in which the organism cannot complete its life cycle.
What is a dead-end?
Fungi can produce toxins that make humans ill including ______?
What are ergot (in poisonous mushrooms) / aflatoxin?
True or False: In classification schemes for protozoa based on rRNA, protozoa are a single group of organisms.
What is False?
(not a single group)
Members of this group are photosynthetic
What is Algae?
Body lice...
a. can act as a vector to transmit disease
b. seldom spread from person to person
c. have eight legs and sucking mouthparts
d. are more closely related to ticks than they are to mosquitos
What is can act as a vector to transmit disease?
Trematodes, or flukes, often have complicated life cycles that require ____ than one host.
What is more?
Algae are found in fresh and saltwater as well as in soil. Unicellular algae make up a significant part of the _____________.
What is phytoplankton?
Protozoans can cause diseases such as:
What is (malaria, African sleeping sickness, toxoplasmosis, amebiasis)?
Which of the following statements about protozoa are false?
a. some lack a mitochondria
b. some contain chlorophyll
c. some are parasitic
d. specific type causes malaria
What are some contain chlorophyll?
(By definition protozoans are not photosynthetic)
All algae have...
a. chlorophyll a
b. cell walls that contain agar
c. holdfasts
d. red tides
What is chlorophyll a?
Fleas transmit diseases such as _______
What is plague?
True or false: Algae directly cause disease
What is false (they produce toxins ingested by fish and shellfish)?
Plasmodial slime molds form a multinucleated plasmodium that oozes over the surface, ingesting organic material. When food runs short, they form fruiting bodies that ____ _______.
What is bear spores?
Which of the following statements about fungi is false?
a. may cause disease when growing on or in the human body
b. some can produce toxins that kill people
c. fungal spores may cause allergic reactions in humans
d.systemic mycoses are common in otherwise healthy adults
What are systemic mycoses are common in otherwise healthy adults?
Which of the following statements regarding protists is false?
a. include both autotrophic & heterotrophic organisms
b. include both microscopic & macroscopic organisms
c. often act as vectors in disease transmission
d. cannot be transmitted from human to human
What is often act as vectors in disease transmission?
Mites cause _____, and dust mites are responsible for allergies and asthma
What is scabies?
Algae cell walls are made out of ________ and other commercially important materials such as agar and alginic acid.
What is cellulose?
Oomycetes, also known as ______ molds, cause some serious diseases of plants.
What is water?
Which of the following is mismatched?
a. Plasmodium-Malaria
b.Trypanosomes-Dysentery
c.Dinoflagellates-Paralytic shellfish poisoning
d. Nematode-Trichinellosis
What is Trypanosomes-Dysentery?
Which of the following statements about tapeworms is false?
a. they absorb nutrients from the host through their body wall
b. they complete their life cycles in a single host
c. they are hermaphroditic
d. they cannot be transmitted from human to human
What are they complete their life cycles in a single host?
How do mosquitos spread disease?
What is by picking up pathogens when the mosquito bites and later injecting these organisms into subsequent animals that it bites?