Pairs of duplicated chromosomes produced during S phase are called ______
a. homologous chromosomes
b. sister chromosomes
c. sister chromatids
d. heterologous chromosomes
e. homogeneous chromosomes
ANSWER: c
You might also like to view...
Beginning with the simplest level of structure, which order of organization of genetic material is CORRECT?
A. DNA, nucleotide, gene, genome, chromosome B. nucleotide, DNA, gene, chromosome, genome C. DNA, nucleotide, gene, chromosome, genome D. nucleotide, DNA, gene, genome, chromosome E. nucleotide, DNA, chromosome, gene, genome
Mycorrhizae are fungi that are symbiotic with plants. What is the likely relationship between these fungi and plants?
A) The fungi provide soil nutrients to the plants; the plants provide food to the fungi. B) The fungi remove bacteria from the soil; the plants provide water to the fungi. C) The fungi provide CO2 to the plants; the plants protect the fungi from predators. D) The fungi remove predators from the plants; the plants provide shelter for the fungi.
Which of the following is an example of a parasitic fungal disease?
A) Athlete's foot B) Herpes C) Trichinosis D) Sleeping sickness E) Malaria
Which organisms best illustrates K-selection?
A) the production of thousands of eggs every spring by frogs B) mice that produce three litters of 10-15 babies in the course of a summer C) a polar bear producing one or two cubs every three years D) a species of weed that quickly spreads into a region of cleared trees