When Lactobacillus acidophilus are sprayed on feed, the cattle that eat it appear to have markedly lower carriage of the pathogenic E. coli strain O157:H7.
Answer the following statement true (T) or false (F)
True
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In Jabberwocks, flame eyes (F) are dominant to blue eyes (f) and burbling (B) is dominant to whistling (b). Jabberwock geneticists suspect that the two genes are linked on one of the autosomes
They mate a true-breeding flame-eyed, burbling female with a true-breeding blue -eyed, whistling male. They then remove a sample of gametes from one of the resulting offspring. If the genes are linked, which of the following is/are a recombinant gamete genotype? Select all correct choices: A. FB B. Fb C. fb D. fB E. none of these is a recombinant gamete genotype
Which of the following can lyse pathogenic cells?
a. interleukins b. interferons c. TNF d. complement e. all of these
The mutation labeled 1 to the far right in Figure 17-2 is:
a. legs developing where antenna should be.
b. appendages of the eyes.
c. enlarged antennae.
d. newly formed structures to remove pollen or dust from the eyes.
e. a revision of the fly body so that legs and antenna have switched places.
Acyclovir is used to treat
A. influenza A virus. B. respiratory syncytial virus. C. shingles, chickenpox, and genital herpes. D. HIV. E. hepatitis C virus.