Microorganisms in deep-sea vents and caves serve as autotrophic primary producers in the absence of sunlight
Indicate whether the statement is true or false
TRUE
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Although actinomycetes vary in many ways, they all share a common type of cell wall.
Answer the following statement true (T) or false (F)
Methylmalonic acidemia (MMA) is caused by the inability to metabolize amino acids and fats
a. True b. False Indicate whether the statement is true or false
Herpes simplex, like other ulcerating genital diseases,
A. promotes the spread of AIDS. B. inhibits the spread of AIDS. C. inhibits the growth of other viral disease. D. is easily cured with antibiotics.
Which of the following statements is NOT true about the debate over the nature of genetic material?
A. Many scientists believed that DNA was not the genetic material because, with only four types of nucleotides, DNA did not have enough variability to store information. B. Some scientists thought that RNA was likely to be the genetic material. C. Scientists focused on carbohydrate and protein in their studies of possible genetic material since they knew that genes were on chromosomes and that chromosomes were made of carbohydrate and protein. D. Many scientists thought that proteins had a greater capacity for storing information because proteins contain 20 amino acids that could be sequenced differently.