In thermodynamic studies, energy changes are analyzed in a collection of matter called a ________. All other matter in the universe is called the ________.

Fill in the blank(s) with the appropriate word(s).


system; surroundings

Biology & Microbiology

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Which animals develop with an organ made from maternal and embryonic tissues that allows the bloodstreams to transfer materials without mixing?

a. nonbird reptiles b. birds c. monotremes d. marsupials e. placentals

Biology & Microbiology

The enzyme responsible for breaking down alcohol

is a. alcohol methylase. b. alcohol polyphosphorylase. c. hydroxyl alcoholgenase. d. transmethylogenase. e. alcohol dehydrogenase.

Biology & Microbiology

Against which organisms are disinfectants effective? Against which type of organism may not be effective? What disinfectant(s) is used in your laboratory?

What will be an ideal response?

Biology & Microbiology

Traditional classifications tended to take into account primarily

a. extinct organisms b. RNA similarities c. DNA similarities d. general similarities in appearance

Biology & Microbiology