Most of an organism's DNA is carried by its __________.
A. mitochondria
B. chromosomes
C. nucleoli
D. endoplasmic reticulum
B. chromosomes
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From an evolutionary perspective, true nerve cells are first seen in the phylum:A
Porifera. B. Cnidaria. C. Ctenophora. D. Mollusca. E. Arthropoda
Most joints found in the human body are:a
synovial. b. immovable. c. slightly movable. d. freely movable. e. cartilaginous.
Which network of protein filaments reinforce the inner surface of the nuclear envelope in animal cells?
a. actins b. tubulins c. lamins d. chromatins
When comparing two groups, the ______________, the more confident we are of the conclusion that a significant difference exists in the groups.
A) larger the variation in each group B) smaller the variation in each group C) smaller the difference between the two groups D) fewer the number of individuals in each group E) more variables we measure