Which of the following statements about heartwood is false?
a. It functions in conduction.
b. It is a storage site for waste products.
c. It is resistant to decay.
d. It provides structural support.
e. It is located in the center of a tree.
A
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Answer the following statements true (T) or false (F)
1. The nervous system of a cnidarian consists of a central ganglion leading into a nerve net. 2. The two body forms of some radiates is an example of alternation of generations. 3. Although a medusa and a polyp look different, they have similar body plans. 4. All Platyhelminthes are parasitic.
An animal has segments, bilateral symmetry, pharyngeal slits, a post-anal tail, and a notochord. It must be a member of the phylum _____.
Fill in the blank(s) with the appropriate word(s).
Which is a difference between prokaryotes and eukaryotes?
A) Prokaryotes have DNA, whereas eukaryotes have RNA. B) Prokaryotes have a nucleoid, whereas eukaryotes have a nucleus. C) Prokaryotes have RNA, whereas eukaryotes have DNA. D) Prokaryotes have a nucleus, whereas eukaryotes have a nucleoid. E) Prokaryotes have a cell wall, but eukaryotes do not.
Which type of analysis is typically used for proteomics?
a. RNA-Seq b. microarrays c. multiple displacement amplification d. mass spectrometry