An essential nutrient is one that
A) is used for energy storage. B) is required in large amounts.
C) can be found only in animal products. D) cannot be made by the organism.
D
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Which of these methods of heat transfer is not relevant to biological systems?
A. evaporation B. radiation C. conduction D. reflection E. convection
What is the advantage to having various types of chlorophylls and accessory pigments for the photosynthetic process?
A) It allows for a variation in color amongst plants. B) It allows for light in many wavelengths to be utilized for photosynthesis. C) It allows light to be harvested specifically in a step-wise manner. D) It shifts the equilibrium of photosynthesis toward the formation of products. E) both choices C and D
A pine seed consists of
a. the embryo. b. a female gametophyte. c. a seed coat. d. nutritive tissue. e. all of these.
Which feature is found in both prokaryotic and eukaryotic cells?
A) mitochondrion B) Golgi body C) DNA D) centriole