Chart the path of air from the atmosphere to the blood. What will be an ideal response?
ANSWER: Air would travel through the following structures in this order: nasal cavity, pharynx, larynx,
trachea, bronchioles, alveolar duct, alveoli, and finally the pulmonary capillaries.
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Which of the following is not one of the ways we can study grass evolutionary history?
A. Study the fossil record because grasses fossilize very well. B. Study the high-crowned teeth that help mammals browse on grass. C. Study the organic compounds incorporated into the phytoliths in the grass cells. D. Study special compounds formed as a result of C4 photosynthesis.
Match the following items with the correct phrases.
_______1. The end product of ____________________ is a messenger RNA molecule. _______2. Combining two monosaccharides to form a disaccharide is an example of ____________________. _______3. James Watson and Francis Crick were the first to publish an article describing ____________________. _______4. The end product of ____________________ is a protein. _______5. Breaking the bond in a disaccharide to produce two monosaccharides is an example of ____________________. a. a dehydration synthesis reaction b. DNA replication c. a hydrolysis reaction d. transcription e. translation
Animal models such as the ____________________ and ____________________ are being studied to identify single genes that control aspects of learning, memory, and spatial perception
Fill in the blank(s) with correct word
What is the basic problem with cloning adult animals?
a. obtaining enough DNA b. finding proper surrogates to carry the cloned embryos c. reprogramming the DNA d. obtaining DNA without mutations e. autoimmune rejection of the embryo by the surrogate