Why is Line B a better fit for the data in this graph?
A. For Line B, the average residual (difference between the actual Profits and point on the line) is zero.
B. Line B's slope is less steep than the slope of Line A.
C. For Line B, the residuals (difference between the actual Profits and point on the line) are uncorrelated with Price.
D. Line B's intercept is smaller than Line A's intercept.
Answer: C
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The most common form of hemophilia is a defect in blood clotting factor VIII, which is caused by a recessive form of a gene carried on the X chromosome. A girl is born with hemophilia. Both parents have normal phenotype
Which of the following might explain this girl's hemophilia? A. A nondisjunction event in sperm production resulted in her receiving X and Y chromosomes from her father, and an X from her mother; she is XXY. B. Nondisjunction during egg formation resulted in her receiving no X chromosome from her mother, but an X from her father; she is XO. C. Nondisjunction during sperm formation resulted in her receiving no sex chromosome from her father and an X chromosome from her mother; she is XO. D. Nondisjunction during egg formation resulted in her receiving two X chromosomes from her mother and an X chromosome from her father; she is XXX. E. She inherited an X chromosome from her father and the X carrying the defective allele from her mother.
Cotyledons are the __________ of a plant
a. developing seeds b. first developing leaves c. gametes d. stored energy
Which stage of development carves up the zygote’s cytoplasm?
a. gamete formation
b. cleavage
c. gastrulation
d. organ formation
e. tissue specialization
The scientist(s) that proposed assigning organisms to one of three domains is(are)
A. Robert Whittaker. B. Francesco Redi. C. Antonie van Leeuwenhoek. D. Robert Koch and Louis Pasteur. E. Carl Woese and George Fox.