The ecological niche of a plant in your yard includes (select all that apply)
A. the pH of its soil.
B. the insects that eat it.
C. the tree that shades it.
D. the depth to which the soil freezes in the
winter.
E. none of these.
A,B,C,D
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Axillary buds _____
A) are produced by the cork cambium B) have dormant meristematic cells C) are composed of a series of internodes lacking nodes D) give rise to secondary xylem E) do not form a vascular connection with the primary shoot
Which of the following enzymes unwind and open the DNA double helix at the start of DNA replication?
a. DNA Polymerase b. Telomerase c. Helicase d. DNA Ligase
Describe and diagram the carbon cycle. Include the terms photosynthesis; plant and animal respiration; soil
microorganism respiration; and decomposition. Indicate how human combustion activities upset the natural balance of the carbon cycle. What will be an ideal response?
In Bacillus subtilis, ________ controls expression of several sporulation genes; sporulation occurs when it is highly phosphorylated
a. CtrA b. Spo0A c. NtcA d. GFP