An example of microbial ________ is the ability of Vampirococcus to attach to the outer membrane of its prey and then secrete degradative enzymes that result in the release of the prey's cytoplasmic contents.
Fill in the blank(s) with the appropriate word(s).
predation
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Protozoa, algae, and fungus are typically found near the surface of soil
Indicate whether this statement is TRUE or FALSE.
Suppose you wanted to investigate ideas on how polymerization of prebiotic organic molecules may have occurred on the early Earth. Which of the following scenarios might best be utilized for this?
A. Mix some RNA nucleotides in water and heat them to boiling temperatures. B. Mix some amino acids (protein building blocks) in water and add a strong acid or a strong base. C. Mix some RNA nucleotides in water and repeatedly wet and dry them on clay. D. Mix some amino acids (protein building blocks) in water and add a bacterium harmless to humans. E. Mix some amino acids in salt water and cool down to 0? C.
A couple who does not have cystic fibrosis but are both heterozygous has already had three girls with cystic fibrosis,
and are hoping to have a normal child for their fourth. What are the chances that the fourth child will be a normal male? a. 0 b. 1/8 c. 1/4 d. 3/8 e. 1/2
The microbial death rate is (constant/non-linear/variable) over time.
Fill in the blank(s) with the appropriate word(s).