The ____________________ closes off the larynx during swallowing. Fill in the blank(s) with the appropriate word(s)
ANSWER: epiglottis
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Match the scientist(s) with the statement on the right.
A) was able to solubilize and create lipid bilayers B) demonstrated transmembrane proteins C) was able to solubilize and create lipid monolayers D) described the chemical nature of the cell membrane E) demonstrated that membranes were a bilayer F) proposed the "lipid protein sandwich" model of the cell membrane G) proposed the fluid mosaic model of the cell membrane H) used electron microscopy for the basis of the proposed "unit membrane" model 1) Davson and Danielli 2) Gorter and Grendel 3) J. David Robertson 4) Irving Langmuir 5) Unwin and Henderson 6) Charles Overton 7) Singer and Nicolson
Each gamete gets only one copy of an allele because it has ____
a. one copy of each chromosome b. one nucleus c. one chromosome d. a diploid number of chromosomes e. either an X or a Y
The DNA fingerprinting network created by the U.S. Department of Agriculture and the Centers for Disease Control and Prevention for identifying outbreaks of microbes in contaminated foods is called ________
A) BioLink B) Biosensor C) RFLP D) Ag-biotech E) PulseNet
An individual with a Body Mass Index (BMI) of 30.0 is considered:
a. Obese b. Just right c. Underweight d. Normal