Cell and molec quiz 1 and 2 questions
Cell and Molecular Biology Quiz
Test your knowledge of cell and molecular biology with our engaging quiz! This quiz covers a range of topics including amino acids, nucleotides, and the structure of proteins. Whether you're a student, a teacher, or just someone with a passion for science, this quiz is designed to challenge and educate.
Participate to discover:
- Key concepts in molecular biology
- Understanding of biological macromolecules
- The structure and fun
ction of important biomolecules
Which of the following is an amino group?
�NH3+
-SH
-OH
Based on your knowledge of the polarity of water molecules, the solute molecule shown in the figure below is
Neutral
Hydrophobic
negatively charged
Nonpolar
positively charged
Which of the following is true about the orientation of phospholipids in the plasma membrane?
The head group faces towards the nonpolar region of the lipid bilayer
the molecules line up in a head-to-tail fashion
the head group can face towards the cytoplasm
only one layer of phospholipid molecules creates the plasma membrane
What is another name for a negatively charged ion?
Isotope
Anion
Cation
Molecule
none of the above
What type of bond exists between adjacent water molecules?
Covalent -unequal sharing of electrons
Covalent - equal sharing of electrons
Ionic
Electrostatic
hydrogen
Aspartate is an acidic amino acid. What charge is present in the R-group of aspartate?
Positive
Neutral
not enough information is given
Negative
Which of the following is not synthesized as a polymer of numerous monomer units?
Lipids
Proteins
nucleic acids
carbohydrates
Starch
Which of the following is false concerning the bases present in nucleotides?
they always include uracil
they can be adenine
they can be cytosine
they can bind to each other
Which of the following statements is false?
The monomers of nucleic acids are nucleotides
The monomers of polysaccharides are monosaccharides
DNA is a polymer and an example of a nucleic acid
Amino acids are the polymers of proteins
You disrupt all hydrogen bonds in a protein. What level of protein structure will be preserved (unaffected)?
Tertiary
secondary
Primary
quaternary
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