Cells and Macromolecules

What do eukaryotic cells contains that prokaryotic cells lack

• Ribosomes

• Nucleus

• DNA

• Plasma membrane

Which of these species contain a nucleus in their cells?

• Asgard

• Streptococcus

• Cyanobacteria

• E. coli

Which building block -> macromolecule displayed is false?

• monosaccharides -> oligosaccharides

• fatty acids -> membrane lipids

• amino acids -> beta shees

• nucleotide -> polysaccharides

What are the correct components to a nucleic acid?

• 6 carbon sugar, phosphate group, nitrogenous base

• 5 carbon sugar, phosphate group, nitrogenous base

• 5 carbon sugar, phosphorus atom, nitrogenous base

• 5 carbon sugar, phosphate group, fluorine base

Pyrimidines possess two nitrogen-containing rings in their structure

• True

• False

What bonds connect nucleotides to each other

• Dislfide bonds

• Salt bridges

• Phosphodiester Linkages

• Hydrophobic interactions

Which five-carbon sugar does this image depict?

• Deoxyribose

• Ribose

• Sucrose

• Maltose

Which is not a component of an amino acid?

• Carboxyl group

• Amino group

• Side chain

• β-carbon

A peptide bond links which two parts of an amino acid

• amino group (N) and α-carbon (C)

• amino group (N) and side chain (C)

• amino group (N) and carboxyl group (C)

• Carboxyl group (O) and α-carbon (C)

In an alpha helix, the N-H of a peptide bond is hydrogen bonded to the C=O bond _____ amino acids away?

• one

• two

• three

• four