1. The three major domains of life are
archaea, bacteria, and eukaryotes.
plants, animals, and protists.
eukaryotes, prokaryotes, and animals.
eukaryotes, prokaryotes, and fungi.
bacteria, fungi, and eukaryotes.
2. Organic molecules
always contain hydrogen.
are always food molecules.
are found only in organisms, hence their name.
always contain carbon.
always contain carbon and hydrogen.
3. Which of the following structures are NOT found in the cytoplasm?
lysosome
chromosomes
nucleus
mitochondria
chloroplast
4. The nucleolus
contains DNA and is found in the cytoplasm.
contains RNA and is found in the nucleus.
contains DNA and is found in the nucleus.
contains ribosome subunits and is found in the cytoplasm.
contains RNA and is found in the cytoplasm.