A common form of moist heat sterilization in the laboratory is
A) Boiling water
B) The hot plate
C) The autoclave
D) Ultraviolet light
Ans: C) The autoclave
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Of the following combination of statements about protostomes and deuterostomes, which choice is correct?
A. Protostomes are animals in which the mouth develops from the blastopore, and the anus or anal pore develops from the second opening. Deuterostomes are animals in which the anus develops from the blastopore and the mouth develops secondarily later in their development. B. Protostomes are animals in which the anus develops from the blastopore, and the mouth develops from the second opening. Deuterostomes are animals in which the anus develops from the blastopore and the mouth develops secondarily later in their development. C. Protostomes are animals in which the mouth develops from the blastopore, and the anus or anal pore develops from the second opening. Deuterostomes are animals in which the mouth develops from the blastopore and the anus develops secondarily later in their development. D. Protostomes are animals in which the mouth or anus develops from the blastopore, depending on the species. Deuterostomes are animals in which the mouth and anus develops from the blastopore, depending on the species.
Nearly complete skeletal data is available from fossils of ____, an early tetrapod that differed from
fishes in part by having a neck.
a. Ichthyostega b. Anolis c. Dunkleosteus d. Eusthenopteron e. Archaeopteryx
Organisms require energy to function. What is the energy source for the plants in your experiment?
A. water B. light C. carbon dioxide D. ammonium nitrate E. soil
Which of the following statements about Venus is not true?
What will be an ideal response?