Which viral family and representative disease contains single-stranded+ RNA and reverse transcriptase?
A) Paramyxoviridae (measles)
B) Rhabdoviridae (rabies)
C) Retroviridae (AIDS)
D) Filoviridae (Ebola)
E) Orthomyxoviridae (influenza)
Answer: C
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What is the process illustrated in this diagram?
a. asexual reproduction
b. apoptosis
c. quorum sensing
d. budding
The leaf-cutter ants of Central America use leaves as food to cultivate the basidiomycete Lepiota in special underground chambers. To use leaves as an energy source, Lepiota must do which of the following?
A. secrete enzymes to digest cellulose B. ingest and break down the leaves C. secrete enzymes to digest chitin D. produce antibiotics to kill the ascomycete E. produce antibiotics to kill Streptomyces
Isotopes of an element have the same ________, but different ________
A) number of electron shells; numbers of protons B) atomic number; atomic masses C) number of neutrons; numbers of protons D) atomic mass; atomic numbers E) name; chemical symbols
Which of the following is a process in translation in which tRNA molecules deliver amino acids in the correct sequence, causing peptide bonds to form and increasing the length of the polypeptide chain?
A) initiation B) elongation C) termination D) transcription