Yeasts are advantageous for studying secretory pathways because
a. they secrete more proteins per cell than animal cells.
b. one can easily isolate Golgi apparatuses.
c. they are amenable to genetic analysis.
d. they have only one simple pathway for secreted proteins.
Ans: c. they are amenable to genetic analysis.
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The enzyme that joins the ends of newly synthesized segments of DNA after the primers have been removed is
A. helicase. B. DNA ligase. C. RNA ligase. D. DNA polymerase. E. primase.
A(n) transposon is a DNA sequence that “jumps” into the middle of a gene
__________________ Indicate whether the statement is true or false.
Fungal cell walls are made of
A.) agar B.) cellulose C.) chitin D.) cilia
If an individual exhibits a recessive trait, which of the following statements can you be sure of?
A) Any children this individual has will always exhibit the trait, regardless of the genotype of the other parent. B) Any siblings of this individual will have the same phenotype for this trait. C) The phenotype for this trait is different from the phenotype of the homozygous dominant genotype for this trait. D) Both parents of this individual had the same genotype for this trait. E) The genotype of this trait will be heterozygous.