• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/10

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

10 Cards in this Set

  • Front
  • Back

Viruses have ancestors?

No

Regressive hypothesis of viral evolution

Gained from dna and rna and escaped

Why aren’t viruses cells

They can’t grow

First virus discovered

Tobacco mosaic virus

Structure of virus

Dna or rna, protein coat called a capsid

Additional structures

Glycoproteins

Filamentous

Cylinder

Isometric

Roughly spherical

Enveloped

Membrane

Head and tail

Tail attaches to host, head house genome. (Bacteriophage)