#7 - Kingdom Bacteria

Question 1

True or false: Bacteria are eukaryotic.

Answer 1

False

Question 2

What is the preferred method of reproduction for bacteria?

Answer 2

Asexual reproduction.

Question 3

What are the three possible shapes of bacteria?

Answer 3

1. Cocci/coccus: Circular-shaped
2. Bacilli/bacillus: Rod-shaped
3. Spirilli/spirillus: Spiral-shaped

Question 4

What are the three prefixes for groups of bacteria?

Answer 4

1. Diplo: Pairs
2. Staphylo: Grape-like clusters
3. Strepto: Chains

Question 5

What are gram stains used for? What are the two types and what do they signify?

Answer 5

They’re used to highlight basic differences in the arrangement of amino acid and sugar molecules.

Gram positive bacteria is purple, while gram negative bacteria is pink.

Question 6

What are the steps to binary fission (bacteria’s preferred method of asexual reproduction)?

Answer 6

1. A copy is made of the chromosone and the cell elongates
2. A septum is formed and begins to split the cell
3. The septum is complete and distinct cell walls form.
4. The cell seperates into two cells.

Question 7

What’s conjugation?

Answer 7

Sexual-like reproduction for bacteria.
Cells become linked through pilli. One transfers part of its chromosome to the other, which then undergos binary fission.

Question 8

Whats endospore?

Answer 8

When bacteria become dormant, they form a tough coating that surrounds their DNA. They do not grow or reproduce during this.