Aerobic bacteria most likely evolved ____
a. directly from early protocells
b. around hydrothermal vents
c. later than cyanobacteria
d. in a prebiotic soup
e. through the process of endosymbiosis
ANSWER: c
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Answer the following statement true (T) or false (F)
An individual with type A blood and an individual with type B blood mate and have offspring. What blood type is not possible in their offspring?
A. Type O blood B. Type A blood C. Type B blood D. Type AB blood E. All blood types are possible
Which of the following procedure-analyses is mismatched?
A. dideoxy termination-DNA sequencing B. Southern blotting-DNA gene detection C. microarray analyses-differential expression of mRNAs D. gel electrophoresis-size separation of nucleic acids or proteins E. mass spectrometry-DNA fragment analyses
Which of the following statements regarding skeletal muscle is true?
A) Skeletal muscle is attached to bones by tendons. B) Skeletal muscle cells are not striated. C) Skeletal muscle is largely responsible for involuntary body motions. D) Skeletal muscle coordinates movement of nutrients and oxygen throughout the body.