A ____ mutation results in the conversion of a codon specifying an amino acid to a termination codon
a. nonsense
b. frameshift
c. chromosomal
d. missense
e. silent
a
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Most conifers are __________, meaning that they retain their leaves throughout the year
A. deciduous B. evergreen C. ephemeral D. dioecious E. monecious
The earliest type of eukaryotic organism currently known is a type of ____
a. virus b. bacterium c. alga d. animal-like protist e. fungus
Newborn animals that closely resemble the adults of their species undergo ________ development
Fill in the blank(s) with correct word
Answer the following statements true (T) or false (F)
1. Most transcription factors active in early development are morphogens. 2. Adult stem cells are always unipotent. 3. The shoot meristem is totipotent. 4. A cell's fate is determined while the cell is differentiating. 5. The molecular structure of invertebrate homeotic genes differs significantly from that of mammals.