Which of the following proteins is responsible for advancing a cell through the four phases of the cell cycle?
A. caspases
B. cyclins
C. claudins
D. endonucleases
E. cofactors
B. cyclins
Biology & Microbiology
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The ends of chromosomes have areas of repeated DNA called centromeres
Indicate whether the statement is true or false
Biology & Microbiology
Human society favors outbreeding, or the mating of individuals that are genetically unrelated
Indicate whether the statement is true or false
Biology & Microbiology
When the food supply is far from a beehive, the scout bee will perform a(n) waggle dance. Indicate whether the statement is true or false
Biology & Microbiology
Thermoregulation depends on monitoring of blood temperature. What structure acts as the mammalian temperature sensor?
A. peripheral blood vessels B. adrenal medulla C. thyroid D. anterior pituitary gland E. hypothalamus
Biology & Microbiology