Which energy association is correct?
a. Kinetic energy is energy of motion.
b. Water stored behind a dam is an example of kinetic energy.
c. Energy in the chemical bonds of a molecule is kinetic energy.
d. Potential energy must be used immediately or it is lost.
e. Light energy is a form of chemical energy.
a. Kinetic energy is energy of motion.
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Vestigial organs
a. did not have a function when they first developed, but do so today. b. are similar in many organisms. c. must have evolved individually in different organisms. d. are not found in present-day organisms. e. include the human appendix and wisdom teeth and a snake's hipbones.
What is a proto-oncogene?
A. A gene that regulates cell division. D. A DNA repair gene. B. A cancer gene. E. More than one of these. C. A gene that encodes tumor-suppressing proteins.
Frameshift mutations
A. applies to the reading frame (sequence of codons) being changed. B. most often happen when one or more nucleotides are inserted or deleted from the DNA. C. can result in a completely new codon sequence that results in the production of non-functional proteins. D. All of the choices are correct.
Which of the below is not a noninfectious acute condition?
a. accidents b. suicide c. cancer d. stroke