The most abundant protein in mammals is collagen. This strong, ropelike molecule is particularly abundant in which tissue?
A. ligaments
B. skeletal muscle
C. spinal cord
D. heart muscle
Answer: A
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A fabric company wants to create a new material based on cell research for the army that is able to bear high levels of tension efficiently. What cellular structure should be the target?
A. Microtubules B. Intermediate filaments C. Microfilaments D. Centrioles E. Pili
Protons and neutrons make up the atom's central core, which is referred to as its ________.
A. center of gravity B. valence number C. isotope D. nucleus
Which of the following is a step during translation?
a. initiation at the promoter region b. elongation by adding nucleotides to the growing chain c. termination at the terminator sequence d. termination at the stop codon
Which of the following statements is correct in comparing metagenomic (next generation) sequencing to whole-genome (shotgun) sequencing?
A. Both sequencing methods have equal depth and coverage from the polymerase "reads" on the template. B. Whole-genome sequencing does not fragment genomic sequences, but rather utilizes adaptor molecules on the template DNA. C. Both sequencing methods utilize overlapping sequence contigs to assemble the full sequence. D. Metagenomic sequencing uses a bacterial artificial chromosome (BAC) genomic library as the template.