The biological species concept states that species are actually or potentially ____ populations that are ____ from other such groups

Fill in the blank with the appropriate word.


interbreeding, reproductively isolated

Biology & Microbiology

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The percentage of recombination associated with independent assortment should approximate 50%

Indicate whether the statement is true or false

Biology & Microbiology

During photosynthesis, the energy given up by electrons as they move through the electron transport chain is used to

A. produce glucose. B. fix CO2. C. generate an electrochemical H+ gradient across a membrane. D. oxidize water. E. boost energy levels of pigment electrons.

Biology & Microbiology

Some people take creatine as a bodybuilding supplement. Describe the action of creatine in cells and why physicians do not recommend this supplement

What will be an ideal response?

Biology & Microbiology

What stimulates activation of B and T cells?

a. cell recognition of an antigen b. production of complement c. histamine production d. lysozyme release e. cytokine production

Biology & Microbiology