Ascientist finds an unusual living thing and decides to study it. which observation indicates that the living thing is among the smallest types of living things?
a.
it is multicellular.

b.
it does not have a nucleus.

c.
it possesses a membrane-bound nucleus.

d.
it possesses a hard outer shell.

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)

What are some aquatic organisms that live in cold water temperatures?

1. environmental factors, such as ph and temperature, can affect the function of an enzyme. a. true b. false 2. which of the following is an organic molecules (ex. vitamins) that an enzyme? a. coenzyme b. product c. active site d. substrate 3. how do enzymes effect the speed of a chemical reaction? a. they speed it up b. they slow it down c. they have no effect on the speed of a reaction 4. during a chemical reaction, an enzyme is used up so that it can only be used one time. a. true b. false 5. which of the following results from a chemical reaction that is catalyzed by an enzymes? a. active site b. product c. substrate d. coenzyme