A pitcher throws a baseball by lowering the forearm to straighten the arm. During this movement, the biceps muscle ________ and the triceps muscle ________
A) contracts; relaxes
B) relaxes; contracts
C) relaxes; relaxes
D) contracts; contracts
B
You might also like to view...
Ubiquitin ____.
A. targets proteins for degradation and post-translational processing. B. targets proteins for degradation. C. targets proteins for post-translational processing. D. is attached to improperly folded proteins. E. is attached to improperly folded proteins and targets them for degradation.
A branching tree that represents the evolutionary relationships among a number of species is, in scientific terms, called a(n)
A. family tree. B. pedigree. C. androgeny. D. phylogenetic tree.
What is the general classification used to categorize leukocytes?
A) It depends on the age of the cell, as all agranulocytes start off as a granulocyte and later change their function and structure over the life of the cell. B) whether they function as part of the innate or adaptive immune system C) whether the cells originate from primary or secondary lymphoid tissues D) whether or not leukocytes have granules in their cytoplasm that are visible when stained and then viewed by light microscopy E) whether or not the cells contain a nucleus
Telomeres are necessary because:
a. RNA needs a DNA template. b. Okazaki fragments need a binding region. c. prokaryotic genomes are circular. d. DNA polymerase only works 5' -> 3'. e. chromosomes would grow during each replication.