BIO 351 Wk 1 – Quiz

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BIO 351 Wk 1 – Quiz
BIO 351 Wk 1 – Quiz
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BIO 351 Wk 1 – Quiz

  1. Question 1

What were the first forms of life on Earth thought to be?

prokaryotes

single-celled plants

large animals, such as dinosaurs

insects

  1. Question 2

Which of the following is not used to treat active viral disease?

phage therapy

vaccines

antiviral drugs

antibiotics

  1. Question 3

Prokaryotes that obtain their energy from chemical compounds are called which of the following?

lithotrophs

chemotrophs

phototrophs

auxotrophs

  1. Question 4

The first organisms that oxygenated the atmosphere were:

anaerobic organisms

phototrophic organisms

cyanobacteria

all of these

  1. Question 5

Which statement is true?

A virion contains DNA and RNA.

Most viruses are easily visualized with a light microscope.

Viruses replicate outside of the cell.

Viruses are acellular.

  1. Question 6

Why are the targets for anti-fungal drugs much more limited than antibiotics or anti-viral medications?

There are more bacteria and viruses than fungi.

Fungi cause topical infections, while viruses and bacteria cause systemic infections.

Human cells are much more similar to fungi cells than bacteria or viruses.

Fungi can only be targeted during sexual reproduction, while bacteria and viruses can be targeted at any point in their lifespan.

  1. Question 7

How have mitochondria most likely evolved?

photosynthetic cyanobacterium

membrane proliferation

endosymbiosis

cytoskeletal elements

  1. Question 8

Which of these locomotor organs would likely be the shortest?

a pellicle

a flagellum

an extended pseudopod

a cilium

  1. Question 9

What term describes the close association of a fungus with the root of a tree?

an endophyte

a lichen

a mycorrhiza

a rhizoid

  1. Question 10

A bacteriophage can infect which of the following?

viruses

lungs

bacteria

prions