Which person's study is being done at a micro-level orientation? A. Damian is studying how children in the Dun family make decisions
about what to eat.
B. Kim is studying how two adults with the same level of education
greet one another
C. Chantel is studying how countries in the Americas help one
another
D. Stephanie is studying how the political and economic institutions
of a country interact with one another.
(This is sociology and idk if the answer is B or D) please help

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

Explain why phospholipid molecules form a bilayer. (3 marks)

What was the purpose of mendel's experiments with dihybrid crosses? a. to determine if dna was a transforming factor b. to determine if traits could be recessive c. to determine if traits affected each other d. to determine if traits had more than one allele