Which of the following can cause toxic shock syndrome?
A) Clostridium difficile and Clostridium perfringens
B) Mycoplasma pneumoniae and Mycobacterium tuberculosis
C) Neisseria gonorrhoeae and Escherichia coli
D) Staphylococcus aureus and Streptococcus pyogenes
D) Staphylococcus aureus and Streptococcus pyogenes
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To date, no virus that infects Archaea is known to have an RNA genome
Indicate whether the statement is true or false.
In a cross that is Dd x Dd, what is the probability of a dominant phenotype in the offspring?
a. 1/4 b. 1/2 c. 3/4 d. zero
The abiotic factor that has had the greatest evolutionary effects on deep-sea animals is:
a. low temperatures. b. high pressure. c. low nutrients. d. lack of light. e. varying salinity.
The chemical reactions of photosynthesis occur in which cellular organelle?
A) Chloroplasts B) Nucleus C) Mitochondria D) Ribosomes