Water is the least dense when it ________
A) freezes
B) is just above freezing
C) is at room temperature
D) is just below boiling
A
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Which one of the following steps comes first in sequencing?
A. breaking the DNA into small fragments B. putting the sequences in the correct order C. matching regions of overlap D. making copies of the DNA E. reconstructing the long sequence of nucleotides
An endospore is an important internal structure for some bacteria in that it
A. allows for attachment to surfaces. B. allows the organism to become dormant and survive harsh conditions. C. is involved in cellular reproduction. D. is the site of DNA for specific cell functions. E. involved in genetic mutation for future generations.
Which of the following is a penetrating wound resulting in collapse of the lung?
A) cystic fibrosis B) pneumonia C) mesothelioma D) congestive heart failure E) pneumothorax
The sensory nerves of the somatic portion of the peripheral nervous system:a
transmit information from internal receptors to the central nervous system. b. transmit information from sensory organs to the central nervous system. c. transmit information from the central nervous system to glands. d. transmit information from the central nervous system to skeletal muscles. e. regulate cardiac activity