What characteristics allow conifers to dominate cold, dry habitats?
What will be an ideal response?
Conifers have the ability to photosynthesize year round, their leaves form small needles protected with a heavy waxy cuticle, and their resin acts as an antifreeze.
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The 5' and 3' designations used in reference to DNA and RNA sequences are assigned to the
A. oxygen atoms contained in the deoxyribose and ribose. B. hydrogen atoms that form hydrogen bonds between the nucleotides. C. nitrogen atoms in the nitrogen bases. D. carbon atoms in the nitrogen base purines and pyrimidines. E. carbon atoms of deoxyribose and ribose.
What would happen if you cut the vestibular fibers of the vestibulocochlear nerve?
a. You would not be able to detect sound. b. You would not be able to detect linear acceleration. c. You would lose sensory functions in the upper body. d. You would lose your sense of taste. e. You would lose your sense of smell.
What factor is contributing to the decline in fish populations?
A) destruction of Girard Boro Parks wetland B) elevated pollution levels in elk creek C) dams being built D) all of the above
The significance of chromatin packaging of DNA includes
a) Physically fitting the genome into the nucleus b) Regulating regions of DNA that are transcriptionally active c) Positioning and maneuvering of DNA during mitosis and meiosis d) All of the above