Animals tend to feed on prey that maximize their net energy intake. This is called the ________ theory.

A. maximal consumption
B. optimization
C. optimal foraging
D. competitive exclusion


Answer: C

Biology & Microbiology

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When pair-rule genes and segment-polarity genes are mutated, larvae display disturbances in segmentation patterns

A. true B. false

Biology & Microbiology

An experimental chemical has been shown to selectively cleave phosphodiester bonds. How would this affect a virus?  

A.  Fragment the genome B.  Digest the capsid C.  Dissociate the envelope D.  Alter the host binding site E.  Hydrolyze the protein coating Clarify Question · What is the key concept addressed by the question? · What type of thinking is required?   Gather Content · What do you already know about viral structure?   Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?  

Biology & Microbiology

DNA polymerase can only add new nucleotides to the 3' DNA end of the template.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Which of the following statements is false?

a. Because males do not have follicles, the folliclestimulating hormone has no function in males. b. LH binds to Leydig cells, stimulating them to secrete testosterone. c. The testes descend into the scrotal sac before birth. d. For sperm to develop properly they must be in an environment that is below body temperature. e. The scrotal sac is equipped with muscles that may raise or lower the testes.

Biology & Microbiology