1.These are long projections on eukaryotic cells used for movement:
fimbriae; b. pili; c. flagella; d. cilia; e. mesosomes
- Actin is especially associated with this component of the cytoskeleton:
microfilaments; b. intermediate filaments; c. microtubules; d. extracellular matrix; e. none of the above
- Which of the following is made up of a nucleotide(s)?
DNA; b. RNA; c. ATP; d. both a and b; e. a, b, and c
- How many layers of phospholipids are in the cell, or plasma, membrane?
one; b. two; c. three; d. four; e. five
- Which of the following has a valence that results in the potential to form two bonds?
carbon; b. oxygen; c. hydrogen; d. nitrogen; e. sodium
- True or False.Polar regions of proteins are folded toward the interior of their structures.
true; b. false
- Which functional group(s) react to form a triglyceride?
hydroxyl; b. carbonyl; c. carboxyl; d. both a and b; e. both a and c
- True or False.The primary type of chemical reaction occurring in rough endoplasmic reticulum is hydrolysis.
true; b. false
- The nucleolus is especially involved in making which of the following:
cellulose; b. polysaccharides; c. phospholipids; d. ribosomes; e. triglycerides
- Where is carotenoid pigment located in plant cells?
in chloroplasts; b. in chromoplasts; c. in amyloplasts; d. in a and b; e. in b and c
- True or False.Centrioles are not involved in organizing the mitotic spindle during cell division in plant cells.
true; b. false
- True or False.Cholesterol is very similar in structure to both estrogen and testosterone.
true; b. false
- Which of the following could often be involved in detoxification of the cell?
rER; b. sER; c. lysosome; d. both a and b; e. both b and c
- The peptide bond is a specialized form of this general type of bond:
ionic; b. covalent; c. polar covalent; d. hydrogen; e. none of the above
- What kinds of linkages are present between the monomers in structural polysaccharides?
alpha; b. beta; c. gamma; d. both a and b; e. both a and c
- Which of the following would be most likely to be used for quick energy expenditure?
corn oil; b. butter; c. sucrose; d. starch; e. amino acid
- True or False.Peroxisomes are involved in building up fatty acids.
true; b. false
- What is the lowest level of protein structure that forms a globular shape?
primary; b. secondary; c. tertiary; d. quaternary; e. none of the above
- True or False.Rough endoplasmic reticulum and smooth endoplasmic reticulum form two separated networks in a cell.
true; b. false
- If blood pH drops too sharply, which of the following would likely form as a response to this?
hydrogen ions; b. water; c. carbonic acid; d. both a and b; e. none of the above
Sample Solution
