Blood is pumped through what in a frog to all parts of the body?
What will be an ideal response?
Answer: truncus arteiosus
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A codon is ________.
A. the section of RNA that codes for a protein B. the section of DNA that codes for a protein C. three nucleotides of DNA that code for an amino acid D. three nucleotides of RNA that code for an amino acid
Which of these does not occur when a sodium atom transfers an electron to a chlorine atom?
a. The sodium atom becomes a positively charged ion. b. The positive and negative ions will attract each other, forming a crystal if no water is present. c. The ions will separate in the presence of water. d. There is a mutual sharing of the electrons between the sodium and chlorine atoms.
What are the functions of N, Cro, and Q in phage lambda?
What will be an ideal response?
Which group of colonial protists has the greatest relatedness to animals?
a. Ascomycetes b. Green algae c. Zygomycetes d. Choanoflagellates e. Amoebas