Have an account?
Skip to Content
Introducing new Paper mode
No student devices needed. Know more
10 questions
Show Answers
See Preview
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following are located in the nucleus of atoms?
Protons and Neutrons
Electrons and Protons
Neutrons and Electrons
Protons, Electrons, and Neutrons
- Multiple ChoicePlease save your changes before editing any questions.
All life on Earth is composed mostly of_______.
carbohydrates
oxygen
proteins
water
- Fill in the BlankPlease save your changes before editing any questions.
Elements are pure substances made up of _________ with the same number of protons.
- Fill in the BlankPlease save your changes before editing any questions.
Fats, oils, and waxes are classified as_______.
- Fill in the BlankPlease save your changes before editing any questions.
Amino acids are the building blocks of __________.
- Fill in the BlankPlease save your changes before editing any questions.
_________ are made up of chains of nucleotides.
- Multiple ChoicePlease save your changes before editing any questions.
Atoms that have more electrons than protons are_______.
polymers
neutral
positively charged
negatively charged
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following consisits of a sugar, a base, and a phosphate group?
an amino acid
a nucleotide
a saturated lipid
a monosaccharide
- Fill in the BlankPlease save your changes before editing any questions.
_________ causes surface tension in water.
- Multiple ChoicePlease save your changes before editing any questions.
Organisms only need an extremely small amount of _____________.
trace elements
proteins
glucose
carbon