During energy transformations, the majority of energy is converted to
a. chemical bonds
b. heat
c. ATP
d. glucose molecules
Answer: b. heat
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A more contemporary technique for identification of promoter sequences is the ________
Fill in the blank(s) with the appropriate word(s).
In DNA profiles, the pattern of bands is _____
a. due to variations in restriction enzyme recognition sites in plasmid DNA b. identical in all individuals c. due to variations in STR alleles between individuals d. due to the presence of transgenes e. possible only when copious quantities of DNA are available
Electrons are shared equally in a(n) _______ bond.
a) a nonpolar covalent bond b) ionic c) hydrogen d) polar covalent
In Drosophila, the hunchback gene encodes a protein (HB) that has a role in the development of the thorax. In the zygote and embryo, the expression of hunchback is stimulated by high concentrations of Bicoid protein. Which of the following is accurate about the expression of hunchback in the Drosophila embryo?
A. The HB protein is produced in the middle of the embryo; but is not produced in the anterior or posterior end. B. The HB protein is produced only in the anterior half of the embryo. C. The HB protein is produced throughout the embryo. D. The HB protein is produced only in the posterior half of the embryo. E. No HB protein is produced in the embryo.