Carbon cycling works by
a) interaction with hydrogen and oxygen cycles
b) returning CO2 from respiration to the atmosphere
c) fixing CO2 in photosynthesis
d) all of the above are correct
Ans: d) all of the above are correct
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The waterproof cuticle covering the epidermis of land plants helps prevent dehydration, much like the skin of some land animals. As a consequence of having a cuticle, what other evolutionary adaptation was important for most land plants?
A. the endodermis in the root B. root hairs on the root epidermis C. collenchyma fibers just beneath the surface of the epidermis D. stomata in the leaves E. trichomes on leaf surfaces
Given that DNA is the genetic material in prokaryotes and eukaryotes, what other general structures (macromolecules) and substances made by the cell are associated with the expression of that genetic material?
What will be an ideal response?
Which of the following encodes its own capsid proteins?
A. Satellite DNA B. Satellite RNA C. Prion D. Satellite virus
Negative staining with India ink can be used to reveal the presence of capsules that surround bacterial cells.
Answer the following statement true (T) or false (F)