Phagocytosis is defined as
a. the ingestion of solid material by a eukaryotic cell.
b. the uptake of liquid material by a eukaryotic cell.
c. cells of the immune system that ingest pathogens.
d. the feeding of protozoans.
Answer: a. the ingestion of solid material by a eukaryotic cell.
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A) Thymine B) DNA polymerases C) RNA polymerase D) Codons E) Guanine F) Gene therapy G) Epigenetics H) Biotechnology I) Genome
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__________ prevent fish sperm from fertilizing frog eggs
a. Energetic barriers b. Biological barriers c. Postzygotic barriers d. Ecological barriers e. Prezygotic barriers
How many turns of the Krebs cycle are needed to completely break down one molecule of glucose?
A) one B) two C) four D) three