How does the number of chromosomes in a gamete compare to the number of chromosomes in an organism

Aresearcher is studying the science of attractiveness and asks volunteer test subjects to rank what trait they find most attractive in a person what type of variable is the dependent variable in this experiment

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above