Cell membranes are composed of a phospholipid bilayer.
Indicate whether the statement is true or false
Q. 2For transcription to happen, _____ must communicate the DNA code to organelles outside the cell nucleus.
a. messenger ribonucleic acid (mRNA)
b. messenger deoxyribonucleic acid (mDNA)
c. transfer ribonucleic acid (tRNA)
d. transfer deoxyribonucleic acid (tDNA)
Q. 3Brad will be competing in a 100-meter run later today. During the event, which pathways will generate most of the ATP that he needs?
a. Glycolysis, glycogenolysis, glycogenesis
b. ATP-CP pathway, glycolysis
c. Cori cycle, protein synthesis, triglyceride synthesis
d. Generation of ADP, production of lactate, production of pyruvate
Q. 4Lipid is the most concentrated source of energy among the energy-yielding nutrients.
Indicate whether the statement is true or false
Q. 5For protein synthesis to occur, DNA, mRNA, tRNA, _____ are required.
a. cytoplasm, and peptides
b. ribosomes, and amino acids
c. the nucleus, and polypeptides
d. chromosomes, and peptides
Q. 6Which pathways would a marathon runner be using for energy at mile 12?
a. Glycolysis, glycogenolysis, glycogenesis
b. Citric acid cycle, -oxidation, oxidative phosphorylation
c. Cori cycle, protein synthesis, triglyceride synthesis
d. Generation of ADP, production of lactate, production of pyruvate
Q. 7Generally speaking, saturated fatty acids are contributed primarily by plant foods, whereas polyunsaturated fatty acids come primarily from animal foods.
Indicate whether the statement is true or false
Q. 8Each _____ provides instructions as to how to assemble a particular protein.
a. polypeptide
b. amino acid
c. translation
d. gene
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