.____ were first discovered in experiments to define the nutrient media required for plant tissue culture
a. Gibberellins
b. Cytokinins
c. Salicylic acid
d. Auxins
e. Brassinosteroids
ANSWER: b
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For a quantitative trait, the total variance of the population is due to which of the following?
A. The amount of variance due to genetic factors only B. The amount of variance due to environmental factors only C. The difference between the variance attributed to genetic and environmental factors D. The sum of the genetic and environmental variances
Which of the following is routinely used to detect spirochetes in skin lesions in early syphilis?
A. Phase-contrast microscopy B. Dark-field microscopy C. DNA fingerprinting D. Bright-field microscopy
Does temperature affect the rate of diffusion?
a. yes b. no
The thyroid gland arises from which of the following structures?
A. Endoderm of posterior midline tongue B. Foramen Cecum C. Isthmus D. Parathyroid swellings E. Pharyngeal Pouch IV