All mammals have mammary glands.
a. true
b. false
Answer: a. true
Biology & Microbiology
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When the atria are filled and the AV valves are open, blood flows directly into ________
a. the aorta b. the pulmonary circuit c. the systemic circuit d. both ventricles
Biology & Microbiology
Two sister chromatids are held together at the
A. autosome. B. telomere. C. centromere. D. spindle. E. aster.
Biology & Microbiology
The 3? end of eukaryotic pre-mRNAs are changed by:
a. removing the last phosphate group. b. adding a "cap." c. copying the last few bases so that it can form a duplex structure. d. adding 100?250 adenine nucleotides. e. phosphorylation of the mRNA molecule
Biology & Microbiology
List the steps and components involved in the process of DNA replication. What will be an ideal response?
Biology & Microbiology