Given the following genetic profile, what is the mean fitness of the population? Genotype A1A1 A1A2 A2A2 Frequency 0.55 0.20 0.25 Number 2750 1000 1250 Relative fitness (w) 1.0 0.75 0.50
A) 1
B) 0.75
C) 0.825
D) 0.3025
E) 0.55
C
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Vectors can transfer ____
a. DNA sequences into bacterial host cells for cloning b. DNA sequences into viral host cells for cloning c. cloned viral cells into a bacterial host for cloning d. cloned mitochondria from donor cell to host cell e. cloned chromosomes from the nucleus of a cell into its cytoplasm
The reverse Christie, Atkins, Munch-Petersen (CAMP) test is positive for these curved gram-positive bacilli. Which <-hemolytic organism is used in conjunction with this organism in the reverse CAMP test?
a. Streptococcus pyogenes b. S. agalactiae c. S. saprophyticus d. S. aureus
Which is the hormone that stimulates growth by increasing cell size or rate of cell division?
A) calcitonin B) growth hormone C) oxytocin D) tropic hormone
Urine has some antimicrobial effects because of its
a) flushing action. b) alkalinity. c) enzyme content. d) antibody content.