Viruses

This type of bacteria lives in extreme environments difficult for most living organisms.

• Archaebacteria
• Eubacteria
• Viruses
• Flagellum

What ways can bacteria be helpful for industries?

• medicine
• cleaners
• adhesives
• all of the above

Viruses need a ____ cell in order to copy themselves.

• big
• infected
• host
• lot

This is used to PREVENT disease and infection.

• antibiotics
• vaccines
• over the counter medication
• protein shakes

When a virus is latent and inserts its DNA into the host cells genome, we call this what phase?

• Lysogenic
• Lytic
• Both lysogenic and lytic
• None of the above

Which of the following is characteristic of the lytic cycle?

• A large number of phages are released at a time
• The virus-host relationship usually lasts for generations
• Viral DNA is incorporated into the host genome
• The viral genome replicates without destroying the host

Which viruses have single-stranded RNA that acts as a template for DNA synthesis?

• viroids
• retroviruses
• bacteriophages
• proviruses

A newly identified organism has four limbs and amniotic eggs with shells.  Which organism do they most likely share a common ancestor with?

• ray-finned fish
• birds
• rodents
• amphibians

Tags

NGSS.HS-LS4-1

Using the cladogram:  a common ancestor of amphibians and ray-finned fish would have

• a bony skeleton
• four limbs
• scaly skin
• eggs with shells

Tags

NGSS.HS-LS4-1

What evidence of evolution?  Giraffes have the same number of vertebrae in the neck as do humans?

• comparative anatomy
• comparative biochemistry
• comparative embryology
• geographic distribution

Tags

NGSS.MS-LS4-2