If you were a researcher interested in trying to find a cure for multiple sclerosis, in which area would
you focus your research?
a. understanding how myelin synthesis is regulated
b. understanding why neurofibrillary tangles occur in the brain
c. understanding how neural impulses are transmitted to other nerves
d. understanding the action of the ion pumps
e. understanding the regulation of neurotransmitter secretion and recycling
A
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The process in which RNA is synthesized using a DNA template is called translation
__________________ Indicate whether the statement is true or false.
Which statement about the megasporocyte is true?
a. It undergoes meiosis to produce three haploid cells. b. It is a diploid cell located within an ovule. c. It divides mitotically to form a male gametophyte. d. It plays an important role in cross-pollination. e. It will give rise to the generative cell.
DNA is
A. a single chain of nucleotides containing deoxyribose. B. mainly found in the cytoplasm. C. composed of amino acids. D. a coiled double chain of nucleotides.
A major distinction between the connective tissues in an animal and other main tissue types such as epithelium, nervous tissue, or muscle is _______________
(a) the ability of connective-tissue cells such as fibroblasts to change shape. (b) the amount of extracellular matrix in connective tissues. (c) the ability of connective tissues to withstand mechanical stresses. (d) the numerous connections that connective-tissue cells make with each other.