Camptodactyly causes ____
a. bent, immobile little fingers
b. breathing difficulties
c. loose joints
d. muscle deterioration
e. near-sightedness
a
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Veins throughout a leaf are formed by vascular epidermis
a. True b. False
Zoologists have described nearly ____ living species of animals
a. 20,000 b. 2 million c. 47,000 d. 100,000 e. 1 million
Epidermal growth factor is a mitogen, because it stimulates cells to divide
(1) Explain the role of Ras in epidermal growth factor signaling that results in cell division. (2) Design two experiments to prove that Ras is a key player in the EGF-activated pathway. (3) What assay other than cell division could you use to assess whether the EGF-Ras-MAPK pathway has been activated? What will be an ideal response?
The ________ secretes digestive enzymes and bicarbonate solution into the small intestine to aid digestion.
A. gallbladder B. pancreas C. spleen D. liver