Botox injections contain botulinum toxin.
Answer the following statement true (T) or false (F)
True
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Motor proteins provide for molecular motion in cells by interacting with what types of cellular structures?
A) mitochondria and chloroplasts B) membrane proteins of the inner nuclear envelope C) free ribosomes and ribosomes attached to the ER D) components of the cytoskeleton E) cellulose fibers in the cell wall
Which of the following techniques involves altering an organism’s DNA by inserting a gene
from a different organism?
a. DNA profiling b. genetic engineering c. therapeutic cloning d. DNA fingerprinting
Antigens bind at
a. A. b. B. c. C. d. D. e. E.
Researchers in Alaska were interested in increasing the sockeye salmon (Oncorhynchus nerka) population in three coastal lakes. To accomplish this, the ponds were treated with fertilizers. As a result, zooplankton biomass increased between 40% and 700% in the three lakes. The substantial growth in zooplankton would suggest that prior to these experiments, these lakes were ________.
A. subject to low light levels B. stratified C. oligotrophic D. eutrophic