Which of the following laboratory procedures is used for culturing animal viruses in the laboratory?
A) cell cultures
B) broth cultures
C) embryonated eggs
D) both cell cultures and embryonated eggs
E) synthetic cytoplasm
D
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The autosomal (not X-linked) gene for brachydactyly, short fingers, is dominant to normal finger length. Assume that a female with brachydactyly in the heterozygous condition is married to a man with normal fingers
What is the probability that (a) their first child will have brachydactyly? (b) their first two children will have brachydactyly? (c) their first child will be a brachydactylous girl?
Acetyl groups attached to histone tails generally indicate that the genes associated with this nucleosome will be
transcriptionally inactive Indicate whether the statement is true or false.
Wolves and bears are placed in the same taxonomic order. Therefore, they must also be classified in the same
a) genus b) family c) phylum d) species e) specific epithet
Photosynthetic organisms always produce oxygen gas as a metabolic byproduct
Indicate whether the statement is true or false