- These atomic particles are positively charged
Your answer:
proton
neutron
electron
- The atomic mass of magnesium is
Your answer:
24
12
25
- Most enzymes belong to this group of macromolecules
Your answer:
lipid
carbohydrate
protein
- These three elements make up most of the macromolecules
Your answer:
hydrogen, oxygen, neon
carbon, helium, nitrogen
carbon, hydrogen, oxygen
- In sweet tea, the solvent is
Your answer:
water
sugar
tea
- Water molecules are ?
Your answer:
polar
non-polar
who knows
- Enzymes cause reactions to occur
Your answer:
true
false
maybe
- A substance has a pH of 5. The substance is
Your answer:
an acid
neutral
a base
- How many protons would a nickel atom have?
Your answer:
59
28
7
- How many electrons would be in the first main energy level of a calcium atom?
Your answer:
8
18
2
- Water ? when it freezes
Your answer:
neither
contracts
expands
- Nitrogen-15 is ?? of nitrogen?
Your answer:
an ion
an isotope
a cathode
- Water molecules are held together by
Your answer:
peptide bonds
hydrogen bonds
metallic bonds
- Which macromolecule is the source of quick energy?
Your answer:
lipids
carbohydrates
proteins
- Waxes, fats, and cholesterols are examples of
Your answer:
proteins
lipids
carbohydrates
- The building blocks of proteins are ? which are held together by ? bonds
Your answer:
monosaccarides, peptide bonds
nucleotides, peptide bonds
amino acids, peptide bonds
- DNA and RNA are
Your answer:
lipids
nucleic acids
carbohydrates
- Amylose is the ? of amylase.
Your answer:
cousin
substrate
bond
- An enzyme can be denatured by
Your answer:
freezing it
cooking it
both
- Salt water is easily separated into water and salt. Salt water is
Your answer:
a mixture
an element
a compound