An organized unit of DNA sequences that enables a segment of DNA to be transcribed into RNA and ultimately results in the formation of a functional product is called a ________.
A. allele
B. chromosome
C. expression
D. trait
E. gene
Answer: E
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If tall (D) is dominant to dwarf (d), and two
homozygous varieties DD and dd are crossed, then what kind of progeny will be produced? a. all intermediate forms b. all tall c. all dwarf d. 1/2 tall, 1/2 dwarf e. 3/4 tall, 1/4 dwarf
The skin is an example of a(n) ____________________ membrane. Fill in the blank(s) with the appropriate word(s)
Choanoflagellates have been important for the study of cell communication evolution because
choanoflagellates have:a. signal transduction pathways unlike those in other bacteria. b. signaling molecules similar to those of other protists. c. signal transduction pathways that interfere with the cells they infect. d. protein kinases similar to those in animals. e. G proteins different from those in prokaryotes.
If you were raising frying chickens, how much meat could you produce given a metric ton (1000 kg, or 2200 lb) of feed?
A) 200 kg B) 100 kg C) 800 kg D) 1000 kg