Which of these is a source of lactose?
a. potatoes
b. milk
c. sugar cane
d. starch
e. sugar beets
Ans: b. milk
You might also like to view...
Why is flooding harmful to many plant species?
A. Water-logged soils have little O2. B. Water-logged soils have little CO2. C. Flooding reduces pH. D. Flooding impairs the function of symbiotic bacteria.
Which one of the following is the most common contaminant of blood cultures?
A) Staphylococcus aureus B) Staphylococcus epidermidis C) Streptococcus pneumoniae D) Streptococcus pyogenes
A fisheries biologist tells you she is studying a cohort of salmon returning to their birth river. What can you infer about those salmon?
A. They are iteroparous. B. Most of them are one to three years old. C. They are the same age. D. They have a uniform distribution. E. They have a Type II survivorship curve.
Which of the following agents is a known cause of
mutations? a. nonionizing radiation b. ionizing radiation c. transposons d. chemicals in cigarette smoke e. all of these