Mi 1.2

Which type of bacteria contains more than 1 layer of phospholipids?

• Gram Negative

• Gram Positive

• Both (-) and (+)

Which layer of the bacteria is dyed/stained purple?

• Cell membrane

• cell wall

• capsule

• slime layer

These bacteria have a thin peptidoglycan cell wall and therefore have an outer membrane (capsule) to help protect them.

• True

• False

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

When streaking a plate, the loop should be flamed

• At the beginning and end 

•  At the beginning and end and between the first 2 zones 

• At the beginning and end and between the second and third zone 

• At the beginning and end and between each zone 

The bacteriology loop should be sterilized in what part of the Bunsen burner flame? 

• in the bright blue cone

• just above the bright blue cone

• above the flame

• at the base of the flame

If you take antibiotics, the non-resistant bacteria die while the resistant bacteria survive and pass their antibiotic resistance trait to their offspring. This is an example of...

• DNA replication

• natural selection

• meiosis

• a virus

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-3

NGSS.HS-LS4-4

Bacteria develop antibiotic resistance through ______________.

• mutations & artificial selection

• mutations & natural selection

• mitosis &

  meiosis

• apples and bananas

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

Which of the following are causes of antibiotic resistance? Select all that apply.

• Using antibiotics incorrectly, such as to treat viruses

• Overuse of antibiotics in livestock farming

• Patients not finishing their antibiotic treatment

• Over-prescribing antibiotics/using antibiotics when not necessary

Tags

NGSS.HS-LS4-4

What is the primary function of mitochondria in eukaryotic cells?

• Energy production

• Protein synthesis

• DNA replication

• Photosynthesis

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5

Which of the following is a characteristic of prokaryotic cells?

• Presence of a nucleus

• Lack of membrane-bound organelles

• Multicellular

• Presence of mitochondria