By evaluating and selecting mates with superior qualities, an animal can increase its
A. reproductive success.
B. learning.
C. competitive strategies.
D. foraging efficiency.
E. length of life.
A. reproductive success.
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Answer the following statements true (T) or false (F)
1. The proteome, rather than genome, is most directly responsible for the structure, function, and appearance of organisms. 2. Little scientific evidence is necessary when formulating a theory. 3. The maintenance of cell structure requires energy. 4. Discovery-based science and hypothesis testing are the two major scientific approaches that help us understand biology.
In eukaryotes, the electron transfer chain of
aerobic respiration is located
a. on the outer membrane of mitochondria. b. in the inner compartment of mitochondria. c. on the inner membrane of mitochondria. d. throughout the cytoplasm of the cell. e. in the outer compartment of mitochondria
Select the components of memory.
A. ability to hold a thought in mind B. ability to recall events from the past C. ability to use past memories in order to form new associations.
Cells that are infected, damaged, or have reached the end of their functional life span often undergo "programmed cell death." This controlled cell suicide is called apoptosis. Select the appropriate description of this event on a cell's life cy
A) Apoptosis is regulated by cell surface receptors that signal when a cell has reached its density-dependent limits. B) During apoptosis, dying cells leak out their contents including digestive enzymes that also destroy healthy cells. C) During apoptosis, cellular agents chop up the DNA and fragment the organelles and other cytoplasmic components of a cell. D) Each cell organelle has protein signals that initiate the breakdown of the organelle's components which leads to cell death.