If you change the number of neutrons in an atom, you create _____
A) a cation
B) an anion
C) an isotope
D) a different element
C
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Baculovirus genomes are 133.9 kb long and encode over 150 genes. This suggests that
A. their protein structures are very complex. B. their protein coats consist of very few types of protein subunits. C. their genetic material is RNA. D. their genetic material is DNA. E. they have a small host range.
Which one of the following is TRUE regarding the "recycling" of hemoglobin?
A) The peptide chains are broken down into their constituent fatty acids. B) The iron atoms are returned to the red bone marrow. C) The heme groups are converted to urine by the kidneys. D) The peptide chains are transported intact to the bone marrow for reuse. E) The heme groups with their iron atoms are transported to the spleen.
Insects and bats both have wings. This proves they evolved from a common ancestor
Indicate whether the statement is true or false
Which of the following are considered to be oncogenic?
A) Epstein-Barr virus and human papillomaviruses B) HIV and Ebola virus C) rubella and rubeola viruses D) variola and varicella viruses