The apical complex in the apicomplexans ________.
A. is located at one end of the cell
B. contains mitochondria
C. is located at one end of the cell and aids in penetration of host cells
D. aids in penetration of host cells
Answer: C
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Which one is not a function of the BRCA genes? a. Checkpoint proteins during mitosis and meiosis
b. Monitor the DNA strand. c. Maintain the integrity of the cell's chromosomes. d. All of these choices. e. Repair breaks in the DNA strand.
The fundamental Mendelian process that involves the separation of contrasting genetic elements at the same locus is called ________
A) independent assortment B) segregation C) dominance or recessiveness D) continuous variation E) discontinuous variation
Which of the following is the largest genome sequenced to date?
A. Pan troglodytes (chimpanzee) B. Homo sapiens (human) C. Saccharomyces cerevisiae (brewer's yeast) D. Mus musculus (mouse) E. C. elegans
Indicate the scenario(s) that could directly result in sympatric speciation. Check all that apply.A) Two sunflower species cross to form a healthy hybrid individual with equal copies of chromosomes from each parental species.B) A new river channel divides a population of beetles into two populations.C) A large fence blocks the intermingling of two populations of a species.D) A subset of flies within a larger population colonizes a new host plant.
What will be an ideal response?