Macromolecules
Arginine has chemical formula C4H14N4O2. How many nitrogen atoms are in the molecule?
4
What is one example of an artificial sweetener?
aspartame, sucralose, saccharin
something changed during the experiment
Is magnesium a vitamin or mineral?
mineral
How is torque calculated?
Force times perpendicular distance
What are the 3 elements that make up carbohydrates?
carbon, hydrogen, oxygen
What is a placebo?
fake treatment that participants think is the real compound
If iodine is added to a solution and the color changes to purple, what molecule is present in the solution?
starch
How many carbon atoms are in a molecule of niacin?
6
Does mass affect projectile motion?
no
What happens during dehydration synthesis?
Monomers are linked together through loss of a water molecule
How is a trans fat structurally different from naturally occurring fats?
the hydrogens are across the double bond instead of on the same side(cis)
Why is acetone a good solvent for a fat extraction?
fat is soluble in acetone, but other components are not. acetone evaporates quickly.
Would vitamin E be more soluble in water or fat?
fat
What does lateral mean in terms of anatomical directions?
away from the midline of body
What is the defining structural feature of an unsaturated fatty acid?
carbon carbon double bond
Are trans fats solid or liquid at room temperature?
solid
What is a chemical indicator?
something that changes color under different solution conditions
What is the percent daily value on a nutrition label?
the fraction of the daily recommended intake in one serving of the food
What happens if you are spinning with your arms outstretched and you bring them in by your sides?
rotational velocity increases
What is the primary structure of a protein?
amino acid sequence
In what types of drinks are artificial sweeteners often found?
diet drinks
What is the solute in a solution?
the compound that is dissolved
Is it possible to overdose on all vitamins?
no
What is Newton's second law?
force equals mass times acceleration, forces cause acceleration