The spread of cancer cells from one site to
others in the body is known as
a. abiogenesis.
b. metastasis.
c. benign transfer.
d. neoplastic movement.
e. mutational slippage
B
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Draw a microbial-based nitrogen cycle. In the open ocean there is plenty of sunlight and carbon dioxide for primary production, yet photosynthesis is limited in the open ocean compared to other aquatic environments
What limits photosynthesis in the open ocean? What will be an ideal response?
Lactobacillus contributes to the antimicrobial defenses for the adult female reproductive tract by making lactic acid to lower the pH.
Answer the following statement true (T) or false (F)
Which has the greatest affinity for carbon monoxide?
a. The heme group in hemoglobin associated with the polypeptide chain of hemoglobin. b. The heme group in hemoglobin unassociated with the polypeptide chain of hemoglobin. c. The heme group in myoglobin associated with the polypepetide chain of myoglobin. d. The affinity is the same for heme groups in hemoglobin or myoglobin associated or unassociated with the polypeptide chains of hemoglobin or myoglobin. e. The heme group of mutated myoglobin.
Extinction occurs when all individuals of a population die out
Indicate whether the statement is true or false