The per capita growth rate of a population can be defined as
A. N.
B. unchanging for a species.
C. birth minus death.
D. exponential growth.
E. logistic growth.
C. birth minus death.
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Answer the following statements true (T) or false (F)
1. Of the 20 amino acids in all organisms, essential amino acids are obtained by food consumption. 2. If a protein is denatured, its structure has been changed enough to make the protein nonfunctional. 3. Proteins store the genetic information of the cell and transmit it to the next generation. 4. When Herceptin medication is used to stop the excessive action of receptor proteins in breast cancer cells, slowing their division, the receptor proteins are within the cell nucleus where the cell is regulated. 5. Endosymbiosis theory is proposed in large part because of the resemblance of mitochondria and chloroplast structures to prokaryotes.
As the surface area of a body increases, its volume increases at the same rate
Indicate whether the statement is true or false
The current class Reptilia is:
a. monophyletic. b. paraphyletic. c. polyphyletic. d. heterophyletic. e. phenetic
The common basilisk lizard will run across water on its hind legs in an erect position when startled by predators. This lizard has large feet and flaps of skin along its toes. What properties of water allow this lizard to walk on water?
A. Hydrogen bonds hold water molecules together; many hydrogen bonds must be broken for water to evaporate. B. The surface tension created by hydrogen bonds is greater than the weight of the lizard initially. C. Polar molecules are attracted to ions and polar compounds, making these compounds soluble. D. Hydrogen bonds absorb heat when they break and release heat when they form. This helps to minimize temperature changes.