Answer:
pfu/ml
Explanation:
Given -
Bacteriophage dilution
ml
Volume of bacteria and plate with top agar
ml
Number of plaques
pfu
Dilution (d) 
Final concentration of phage stock is equal to

Where pfu is the count of plaques
d is the dilution and v is the volume
Substituting the given values, we get -
pfu/ml
It's body cells would have 40 chromosomes and its gametes would contain half of the total genetic information, 20 chromosomes.
Answer:it grows the grass then the grass is eaten by the grass hoppers then the grass hoppers are eaten by the mouse then the mouse is eaten by the snake then the snake is eaten by the hawk
Explanation:
C) Chromosomes are made of chromatin, which contains DNA and proteins.