P
Phillip W
Guest
Inserting a gene encoding a pathogenic microbe's surface protein into a harmless virus is the way a
_________________ is produced.
a. piggyback vaccine
b. clone of antibodies
c. virulent virus
d. active disease-causing pathogen
In plants like the fern, haploid cells that meiosis produces divide by __________ forming a multicellular haploid phase.
a. meiosis
b. binary fission
c. mitosis
d. budding
Red-green colorblindness is a sex-linked trait. A woman with normal color vision, whose father was colorblind, mates with a colorblind man. What chance do each of their sons have of being colorblind?
a. 50% chance
b. 100% chance
c. 0% chance
d. 10% chance
Which choice describes how the DNA molecule replicates?
a. Semiconservative
b. Dispersive
c. Conservative
d. Either dispersive or semiconservative depending on the pH
d. Either dispersive or conservative depending on the organism
The RNA copy of DNA that leaves the nucleus and travels to the cytoplasm to make proteins is:
a. ribosomal RNA.
b. tRNA.
c. mRNA.
d. RNA polymerase.
Which is incorrect about transposons?
a. They comprise 45% of the human genome.
b. They move about from one chromosome to another.
c. They are highly repeated DNA sequences.
d. They are molecular parasites.
e. They are sequences of RNA that jump from transcript to transcript.
Which of the following has not yet been attempted by scientists?
a. Gene intervention of somatic tissue
b. Reproductive cloning of mammals
c. Somatic cell nuclear transfer
d. Gene intervention of germ-line tissue.
e. All of the choices have been attempted
If only about 1% of the human genome is devoted to protein-encoded genes, what is the majority of the rest?
a. Introns
b. Duplicated sequences
c. Repeated sequences
d. Structural DNA
e Transposable elements
Which of the following is the largest genome sequenced to date?
a. Mus musculus (mouse)
b. C. elegans
c. Pan troglodytes (chimpanzee)
d. Saccharomyces cerevisiae (brewer's yeast)
e. Homo sapiens (human)
_________________ is produced.a. piggyback vaccine
b. clone of antibodies
c. virulent virus
d. active disease-causing pathogen
In plants like the fern, haploid cells that meiosis produces divide by __________ forming a multicellular haploid phase.
a. meiosis
b. binary fission
c. mitosis
d. budding
Red-green colorblindness is a sex-linked trait. A woman with normal color vision, whose father was colorblind, mates with a colorblind man. What chance do each of their sons have of being colorblind?
a. 50% chance
b. 100% chance
c. 0% chance
d. 10% chance
Which choice describes how the DNA molecule replicates?
a. Semiconservative
b. Dispersive
c. Conservative
d. Either dispersive or semiconservative depending on the pH
d. Either dispersive or conservative depending on the organism
The RNA copy of DNA that leaves the nucleus and travels to the cytoplasm to make proteins is:
a. ribosomal RNA.
b. tRNA.
c. mRNA.
d. RNA polymerase.
Which is incorrect about transposons?
a. They comprise 45% of the human genome.
b. They move about from one chromosome to another.
c. They are highly repeated DNA sequences.
d. They are molecular parasites.
e. They are sequences of RNA that jump from transcript to transcript.
Which of the following has not yet been attempted by scientists?
a. Gene intervention of somatic tissue
b. Reproductive cloning of mammals
c. Somatic cell nuclear transfer
d. Gene intervention of germ-line tissue.
e. All of the choices have been attempted
If only about 1% of the human genome is devoted to protein-encoded genes, what is the majority of the rest?
a. Introns
b. Duplicated sequences
c. Repeated sequences
d. Structural DNA
e Transposable elements
Which of the following is the largest genome sequenced to date?
a. Mus musculus (mouse)
b. C. elegans
c. Pan troglodytes (chimpanzee)
d. Saccharomyces cerevisiae (brewer's yeast)
e. Homo sapiens (human)