Microbiology Intro

       i.         Many species of Gram-positive bacteria are capable of initiating spore formation at

• lag phase.

• exponential phase.

• stationary phase.

• death phase.

       i.         Algal cell walls consist of large quantities of

How is Dengue virus transmitted to humans?

• Through infected Aedes mosquitoes

• Through contaminated water

• Through airborne particles

• Through direct contact with an infected person

How does vector control play a role in preventing the spread of the virus?

How do mosquitoes become carriers of the virus?

• By drinking contaminated water

• By inhaling infected air

• By biting infected individuals

• By touching contaminated surfaces

How is dengue transmitted?

• Through direct contact with infected individuals

• Through contaminated food or water

• Through mosquito bites

• Through the air

Efforts to control transmission focus on eliminating breeding sites and raising ___

Draw and label the outer membrane of Gram-negative bacteria.

       i.         Extreme halophiles are found in waterways at an NaCl concentration of higher than

• 0.25 M

• O.5 M

• 1.0 M

• 1.5 M

What do you think of bacteria?