The nucleic acids carried by viruses usually consist of ________.
A. RNA
B. DNA
C. either DNA or RNA
D. both DNA and RNA simultaneously
Answer: C
You might also like to view...
A clamp connection is:
A. a ring of hyphae produced by some fungi that is used to snare nematodes B. a bypass formed during cell division in basidiomycetes that aids distribution on nuclei C. the connection of a basidiospore to the basidium D. the sticky substance that holds shelf fungi onto trees E. the hyphae that hold crustose lichens onto rocks
Foreign particles circulating in the blood are filtered out by which of the following?
a. lymph b. lymph nodes c. mucosa-associated lymphoid tissue (MALT) d. spleen
Write the letter of the region expected to have the highest population by 2025 next to 1, the letter of
the region expected to have the lowest population by 2025 next to 6.
A. Europe B. Asia C. Latin America D. North America E. Africa 1. 2. 3. 4. 5.
He is the first to coin the word 'cell' in description of microscopic entities using a compound lens microscope
A. Girolamo Fracastoro B. Van Leeuwenhock C. Robert Hook D. Hippocrates