Which of the following is characteristic of the product of the p53 gene? a) it causes cell death via apoptosis. b) it speeds up the cell cycle. c) it allows cells to pass on mutations due to dna damage. d) it slows down the rate of dna replication by interfering with the binding of dna polymerase. e) it is an activator for other genes.

Which group of chordates does  notpossess true backbones?                 a.  birds      b.  frogs and toads      c.  lampreys      d.  crocodilians

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species

Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f