Test #1 Final Study Questions

The Miller-Urey experiment showed that:

it is possible to create simple biomolecules such as sugars and amino acids by reacting ammonia, water vapor, methane, and hydrogen gas in a chamber filled with electric sparks

Which of the following about HIV is FALSE?

it is spread in the same way in which the Polio virus is spread

Bacterial endospores are used for:

keeping the bacteria alive under harsh conditions

Molds easily contaminate foods because fungi:

produce huge numbers of highly mobile, airborne spores.

A zygosporangium is produced by:

the union of two haploid hyphae.

The scenario of chemical evolution leading to the origin of life on Earth is plausible because:

there was a vast period of time for simple chemicals to evolve into complex cells.

Which of the following statements is FALSE:

yeasts are single-celled protists

Which of the following has no organelles, ribosomes, or cytoplasm?

A virus

If you open a can of chicken noodle soup and immediately examine it microscopically, you will find no microoganisms. If you let the open can sit on the shelf for a few weeks and then examine it, you will find lots of microorganisms. The origin of these microorganisms is most likely:

Airborne microorganisms

Which of the following can be a bacterial shape?

All of the above

Based on current knowledge about the conditions of the early Earth, the first organisms were most likely:

Anaerobic prokaryotes.

Upon entering a cell, a DNA virus:

B and C only

The endosymbiotic hypothesis accounts for the origin of which cell structure?

Chloroplast

Mobile prokaryotes can move around with the help of:

Flagella

Theories on the atmosphere of early Earth indicate that it lacked:

O2

Dental plaque is an example of:

A biofilm

Which of the following groups contains the smallest living organisms?

Bacteria

Club fungi produce diploid reproductive structures called:

Basidia

If an individual was bitten by a tick and develops a Bull's eye rash, which organism could be causing these symptoms?

Borrelia burgodorferi

Which of the following bacteria/ disease pairs does NOT match?

Borrelia burgodorferi, Diphtheria

Kelp and seaweed are types of:

Brown algae

Intestinal bacteria are necessary for plant-eating animals to digest:

Cellulose

The importance of fungi to ecosystems is mostly as a(n):

Decomposer.

Paralytic shellfish poisoning occurs when ________ are eaten by humans or marine mammals.

Dinoflagellates

Red Tides are caused by:

Dinoflagellates

An organism with a nucleus would be placed in which domain?

Eukarya

Which of the following is the smallest or least inclusive group?

Family

Which of the following represents an appropriate scientific name for a human?

Homo sapiens (in all italics)

The body of a fungus is generally composed of:

Hyphae

What is so significant about the evolution of photosynthesis on Earth?

It allowed aerobic, multicellular organism to evolve.

Which of the following is FALSE about the Endosymbiont theory?

It states that an anaerobic predatory cell engulfed an aerobic bacterium which evolved into a chloroplast

Who was the Swedish naturalist who established the modern binomial system for classifying organisms?

Linnaeus

When a zygosporangium germinates, it must undergo ________ before forming a stalked sporangium.

Meiosis

Most scientists attribute the mass extinction of the dinosaurs to:

Meteorite impact.

All of the following are ways in which anthrax can be contracted, EXCEPT:

Mosquito Bites

When you eat mushrooms on your pizza, you are technically eating the:

Mycelium

Which of the following is NOT a Staph infection?

Necrotizing fasciitis

Bacterial cell walls contain:

Peptidoglycan

The first multicellular terrestrial organisms were

Plants

An organism that decays dead organic matter is called a(n) ____________.

Saprophyte

What is the second of the two names in an organism's scientific name?

Species

Which branch of biology attempts to reconstruct evolutionary history?

Systematics

Bacteria are useful in all of the following ways, EXCEPT:

They transfer plasmids containing antibiotic resistance genes

Which of the following has pseudopods?

amoeba

RNA molecules that function as enzymes:

are called ribozymes.

Fungal cell walls are different from plant cell walls because fungal walls contain:

chitin, while plant walls have cellulose