What reduces the rate at which bacteria converts dissolved organic matter to particulate organic matter?
a. Phages
b. Dissolved organic matter availability
c. Sunlight
d. Depth
a
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Under standard conditions, ATP can release for every molecule converted to ADP
A. less than 1 cal of energy. B. 1 to 2 cal of energy. C. 7.3 Kcal of energy. D. different amounts of energy depending on the cell.
What is a difference between a Tn and IS element?
A) Tn elements can carry antibiotic resistance genes. B) IS elements carry a transposase gene. C) Tn elements integrate into plasmids and genomes. D) IS elements integrate into plasmids and genomes.
Cells produced by dividing B or T cells may immediately begin to destroy an invader. These cells are
called a. effector cells. b. memory cells. c. dendritic cells. d. phagocytes. e. fibroblasts.
HIV and cancer cells are becoming more drug resistant over time.
Answer the following statement true (T) or false (F)