Skeletal muscle
A) is the muscle tissue of the heart.
B) moves the body.
C) propels food through the digestive tract.
D) contracts the large blood vessels.
E) expands the large blood vessels.
B
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Transposable elements
A. are DNA sequences that can "jump" within the genome. B. are segments of RNA found in chromosomes. C. result from damage to the chromosomes by things like radiation. D. are another name for translocations. E. are formed during transcription.
Koch's postulates set forth a set of criteria designed to establish a causal relationship between a causative microbe and a disease
a. true b. false
The bulk of the energy required by the eukaryotic cell is generated by the mitochondria. The mitochondrion consists of cristae that
A) form a smooth, continuous outer membrane surrounding the entire organelle. B) form a complex fluid called a matrix outside the organelle. C) are elaborate folds on the inner membrane which hold the enzymes and electron carriers of aerobic respiration. D) are circular strands of DNA involved in producing the enzymes needed for anaerobic respiration.
If we wish to use a regression line to determine the effect of multiple treatment levels (e.g., Treatment = 1, 2, 3), why can't we just plot the average outcome for each treatment level and "connect the dots?"
A. This will cause us to have too few equations to solve for our unknown parameters. B. We cannot use a regression line to measure the effects of multiple treatments. C. Connecting the dots generally will not form a line. D. Using averages for each treatment level will generally create bias.