Chapter 1: Introduction Flashcards Preview

MIBO3500 > Chapter 1: Introduction > Flashcards

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

What is included in microbes?

Bacteria, fungi, algae, protists

2

What characteristics define life?

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

3

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

Polypeptides, Nucleic acids, Lipids, Polysaccharides

4

Which macromolecule serves as an enzyme?

Polypeptides

5

Which macromolecule serves as transport channels?

Polypeptides

6

Which macromolecule helps store genetic information?

Nucleic Acids

7

What subunits make up nucleic acids?

nucleotides

8

Which nucleotide is only found in DNA?

Thymine

9

Which nucleotide is only found in RNA?

Uracil

10

How did the phonetic taxonomic system characterize eukaryotes from prokaryotes?

Membrane-bound organelles

11

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

Carl Woese

12

What are the three domains of the phylogenetic taxonomic system?

Bacteria, Achaea, Eukarya

13

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

Bacteria, Archaea

14

Are membrane-bound organelles found in Bacteria?

Rarely

15

Are membrane-bound organelles found in Archaea?

Rarely

16

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

All

17

Which domains have similar plasma membranes?

Bacteria, Eukarya

18

Which domains have a cell wall in nearly all species?

Bacteria, Archaea

19

Are cell walls found in Eukarya?

In some species

20

Which domain has a cell wall constructed of peptidoglycan?

Bacteria

21

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

Bacteria, Archaea

22

Which domain has a Eukaryal-like RNA pol II?

Archaea

23

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

Eukarya (RNA pol I, II, III)

24

Which domain contains histone-like proteins?

Bacteria

25

Which domain(s) has/have histones?

Archaea, Eukarya

26

Are viruses considered microbes?

Yes