The simplest and the most common monosaccharide is a six-carbon sugar called:
A. galactose.
B. lactose.
C. cellulose.
D. glucose.
E. sucrose.
D. glucose.
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What is generally true about biomass and energy as we move from one trophic level to the next?
A. They both increase. B. Organisms at one trophic level always consume all of the resources from the level below them. C. Not all energy is transferred to the next trophic level. D. All of the energy stored initially in organic molecules by the primary producers will be available to the secondary consumers. E. Biomass increases but energy decreases.
Answer the following statements true (T) or false (F)
1. Although land plants, mosses are still tied to water because of their flagellated sperm. 2. The conspicuous green patches of mosses that you see in the woods are mostly sporophytes. 3. The conspicuous green parts of ferns that you see in the woods are mostly sporophytes. 4. Flowers, fruits, and endosperm are defining characteristics of the angiosperms.
Which tissue type will play a significant role in storage, secretion and wound repair in plants?
a. Parenchyma b. Dermal c. Xylem d. Sclerenchyma e. Collenchyma
Why is plating efficiency an important metric of consideration in quantitative measurements of virus?
a. Not all host cells are susceptible to viral infection. b. Prophage need to be accounted for. c. Virions do not infect host cells with 100 percent efficiency. d. All of the above are correct.