Chapter 1: Introduction Flashcards Preview

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Flashcards in Chapter 1: Introduction Deck (26)
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1
Q

What is included in microbes?

A

Bacteria, fungi, algae, protists

2
Q

What characteristics define life?

A

Metabolism, growth, reproduction, genetic variation, adaptation, homeostasis

3
Q

What are the essential macromolecules for life and subunits of each?

A

Polypeptides, Nucleic acids, Lipids, Polysaccharides

4
Q

Which macromolecule serves as an enzyme?

A

Polypeptides

5
Q

Which macromolecule serves as transport channels?

A

Polypeptides

6
Q

Which macromolecule helps store genetic information?

A

Nucleic Acids

7
Q

What subunits make up nucleic acids?

A

nucleotides

8
Q

Which nucleotide is only found in DNA?

A

Thymine

9
Q

Which nucleotide is only found in RNA?

A

Uracil

10
Q

How did the phonetic taxonomic system characterize eukaryotes from prokaryotes?

A

Membrane-bound organelles

11
Q

Who characterized three different phylogenetic domains based on conserved sequences in DNA in the 1970s?

A

Carl Woese

12
Q

What are the three domains of the phylogenetic taxonomic system?

A

Bacteria, Achaea, Eukarya

13
Q

Which phylogenetic domain(s) do not have a nuclear membrane?

A

Bacteria, Archaea

14
Q

Are membrane-bound organelles found in Bacteria?

A

Rarely

15
Q

Are membrane-bound organelles found in Archaea?

A

Rarely

16
Q

Which domain(s) has/have a plasma membrane?

A

All

17
Q

Which domains have similar plasma membranes?

A

Bacteria, Eukarya

18
Q

Which domains have a cell wall in nearly all species?

A

Bacteria, Archaea

19
Q

Are cell walls found in Eukarya?

A

In some species

20
Q

Which domain has a cell wall constructed of peptidoglycan?

A

Bacteria

21
Q

Which domain(s) has/have a single polymerase?

A

Bacteria, Archaea

22
Q

Which domain has a Eukaryal-like RNA pol II?

A

Archaea

23
Q

Which domain(s) has/have more than one polymerase and what are they named?

A

Eukarya (RNA pol I, II, III)

24
Q

Which domain contains histone-like proteins?

A

Bacteria

25
Q

Which domain(s) has/have histones?

A

Archaea, Eukarya

26
Q

Are viruses considered microbes?

A

Yes