Two identical ___________ cells are formed. Each cell has received a complete set of chromsomes. The DNA in each chromosome unwinds into a long thin thread so that genes can become active and give the instructions for making proteins.
Fill in the blank(s) with the appropriate word(s).
daughter
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Genetic traits that enhance survival tend to be passed from generation to generation. In the case of Colias eurytheme larvae, green larvae are camouflaged, and yellow larvae are easily spotted by predators. Over generations, you would expect:
A. the number of yellow larvae to increase, thus increasing the presence of the yellow gene in the population B. yellow larvae to decrease in numbers C. green larvae to be selected against D. both yellow and green larvae to develop a thicker skin so they are not as attractive to predators
The prokaryotic cell scheme is found in
A. bacteria. B. archaea. C. eucarya. D. All of the choices are correct. E. bacteria AND archaea.
Parasitism is a density-independent factor of population control
Indicate whether the statement is true or false.
________ are hormones that act locally, affecting neighboring cells.
A. Prostaglandins B. Oxytocin C. Insulin D. Pheromones E. Oxytocin and pheromones are both correct.