An unrooted tree linking three species is shown above. Draw all possible unrooted tree conformations when a fourth species, D, is added to the tree
What will be an ideal response?
ANS:
should look like the three unrooted trees illustrated in Figure 5.28 of the text
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Answer the following statements true (T) or false (F)
1. Roots have axillary buds that allow for the development of lateral or branch roots. 2. Corn seeds have one cotyledon. 3. The word meristem is derived from a Greek word meaning to divide. 4. The root zone of maturation is immediately above the root apical meristem (RAM).
A group of three mRNA nucleotides that translate to an amino acid is called a(n)
A. dictionary. B. initiator. C. codon. D. uncodon.
Johne's disease, that primarily affects the small intestine of ruminants, is caused by:
A. Mycobacterium tuberculosis B. Mycobacterium avium subspecies paratuberculosis C. Mycobacterium bovis D. Mycobacterium bacteremicum
The neurotoxins of Clostridium botulinum produce (paralysis/spasms/weakness) by interfering with acetylcholine secretion
What will be an ideal response?