In general, population growth ____
a. is limited by only one factor at a time
b. increases arithmetically
c. increases indefinitely
d. is limited by the carrying capacity
e. is represented by a minimum of two different sizes
ANSWER: d
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As electrons move along the electron transport chain, they lose potential energy. How is the energy that is released used by the cell?
A. The energy is used to transport protons against their concentration gradient B. The energy is used to pump electrons along the electron transport chain C. The energy is converted directly into ATP D. The energy is used to pump NAD+ into the cytoplasm so it can be used in glycolysis
One of the following is a growth factor
A. Water B. Co2 C. mineral D. Vitamin E. ATP
Epigenetic changes
A) pass from one cell generation to the next but do not alter the DNA sequence. B) do not pass from one cell generation to the next but do alter the DNA sequence. C) irreversibly alter the DNA sequence and are only passed to the next cell generation if they add an advantage. D) alter the RNA codon, which are amino acid assignments of the genetic code.
Which factor is the most important algal contribution to the fungal component of a lichen?
a. improved water conservation b. mechanical protection from being blown away c. photosynthetically derived food d. less overlap among individual algal cells e. pigment for camouflage