Diversity of Form and Function
Top Hat Questions Spring
Exam with Correct Answers
Which of the following is true of all types of lateral gene transfer?
a) the recipient is living and takes up DNA
b) the donor is living and shares DNA
c) the recipient is living and takes up RNA
d) the recipient could be dead or alive and gains new traits - Correct Answer: a) the recipient is living and
takes up DNA
When building phylogenies to describe relatedness among organisms, the most reliable characters to
compare are ______
a) morphology
b) biochemistry
c) ribosomal RNA sequences
d) whole genome sequences - Correct Answer: d) whole genome sequences
Which features indicated that Archaea and eukaryotes are more closely related to each other than
bacteria?
a) cell size
b) functioning of ribosomes only
c) genome sequencing and ribosome functioning
d) genome sequence only - Correct Answer: c) genome sequence and ribosome functioning
Which of the following statements about Gram staining is incorrect?
a) the purple dye stains the peptidoglycan cell wall
b) gram negative bacteria stain pink because their cell wall is internal to an outer membrane
c) gram staining results are excellent for establishing relatedness
, d) the pink/red counterstain helps the observer see bacteria with a microscope - Correct Answer: c)
gram staining results are excellent for establishing relatedness
What is the unique feature gametes among all eukaryotes?
a) they can fuse the contents of their nucleus with that of a opposite type of gamete
b) they are formed only by males
c) they are formed directly by meiosis
d) they have many copies of their chromosomes - Correct Answer: a) they can fuse the contents of their
nucleus with that of a opposite type of gamete
Which of the following viruses wind up in the host's chromosomes?
a) positive sense RNA virus
b) negative sense RNA virus
c) retrovirus
d) DNA Virus - Correct Answer: c) retrovirus
Which super-kingdom has no members with chloroplasts?
a) stramenopiles
b) archaeplastids
d) opisthokonts
d) excavates - Correct Answer: c) opisthokonts
Which of the following is not a feature of animals?
a) motility
b) internal digestion
c) unicellularity
d) responsiveness to external stimuli - Correct Answer: c) unicellularity
Which of the following animal groups does the blastophere become the mouth?
Top Hat Questions Spring
Exam with Correct Answers
Which of the following is true of all types of lateral gene transfer?
a) the recipient is living and takes up DNA
b) the donor is living and shares DNA
c) the recipient is living and takes up RNA
d) the recipient could be dead or alive and gains new traits - Correct Answer: a) the recipient is living and
takes up DNA
When building phylogenies to describe relatedness among organisms, the most reliable characters to
compare are ______
a) morphology
b) biochemistry
c) ribosomal RNA sequences
d) whole genome sequences - Correct Answer: d) whole genome sequences
Which features indicated that Archaea and eukaryotes are more closely related to each other than
bacteria?
a) cell size
b) functioning of ribosomes only
c) genome sequencing and ribosome functioning
d) genome sequence only - Correct Answer: c) genome sequence and ribosome functioning
Which of the following statements about Gram staining is incorrect?
a) the purple dye stains the peptidoglycan cell wall
b) gram negative bacteria stain pink because their cell wall is internal to an outer membrane
c) gram staining results are excellent for establishing relatedness
, d) the pink/red counterstain helps the observer see bacteria with a microscope - Correct Answer: c)
gram staining results are excellent for establishing relatedness
What is the unique feature gametes among all eukaryotes?
a) they can fuse the contents of their nucleus with that of a opposite type of gamete
b) they are formed only by males
c) they are formed directly by meiosis
d) they have many copies of their chromosomes - Correct Answer: a) they can fuse the contents of their
nucleus with that of a opposite type of gamete
Which of the following viruses wind up in the host's chromosomes?
a) positive sense RNA virus
b) negative sense RNA virus
c) retrovirus
d) DNA Virus - Correct Answer: c) retrovirus
Which super-kingdom has no members with chloroplasts?
a) stramenopiles
b) archaeplastids
d) opisthokonts
d) excavates - Correct Answer: c) opisthokonts
Which of the following is not a feature of animals?
a) motility
b) internal digestion
c) unicellularity
d) responsiveness to external stimuli - Correct Answer: c) unicellularity
Which of the following animal groups does the blastophere become the mouth?
