Genes that code for transcription factors that bind regulatory sites on DNA are called
a. ideotic genes
b. homeobox
c. Hox genes
d. homeotic genes
e. homeodomains
D
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Characteristics of genetically engineered plants and plant products include
(a) better nutrition. (b) longer storage lives. (c) resistance to disease and insects. (d) all of the above.
Given this information from one element in the periodic table of elements, the number of neutrons and protons is
A. 7, which is also the atomic mass.
B. unable to be determined with the information provided.
C. 14, which is also the atomic mass.
D. 14, which is also the atomic number.
E. 7, which is also the atomic number.
The portion of the biosphere that is composed of any
form of water is the a. atmosphere. b. lithosphere. c. geosphere. d. hydrosphere. e. thermosphere.
Which example describes biological evolution?
A) You are vaccinated against polio and are protected against the disease. B) A tree branch is broken off and another grows in its place. C) Over time, a caterpillar species becomes as green as the leaves it eats. D) The average woman's dress size has increased over the last 50 years.