A classification system based on evolutionary relationships is called a ________ system.
A. determinative
B. systematic
C. phylogenetic
D. phenetic
Answer: C
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Which of the following does not inhibit protein synthesis?
A. Tetracycline B. Erythromycin C. Streptomycin D. Penicillin E. All of the choices inhibit protein synthesis.
D 92. Matching I. Choose the one most appropriate
response for each. 1. ___ adipose tissue 2. ___ blood 3. ___ dense connective tissue 4. ___ glandular epithelium 5. ___ loose connective tissue 6. ___ interstitial fluid 7. ___ neuron 8. ___ epidermis A. ligaments and tendons are made of this B. contains collagen and elastin; acts as a packing material that supports internal organs C. receives, conducts, and initiates signals in response to environmental changes D. stores fat E. offers resistance to mechanical injury and loss of internal fluids; also a barrier against microorganisms F. secretes extracellular products such as sweat, mucus, tears, and saliva G. fluid ground substance plus free cells; involved in transport, pH, and temperature stability H. extracellular fluid that bathes cells and tissues
In a single sodium-potassium pump cycle, ATP is used with the result that
A. 3 sodium ions enter and 2 potassium ions leave. B. 2 sodium ion enters and 1 potassium ion leaves. C. 3 sodium ions leave and 2 potassium ions enter. D. sodium and potassium ions enter and water leaves. E. 2 sodium ion leaves and 1 potassium ion enters.
A species of the genus Streptococcus is the leading cause of
A) tuberculosis. B) urinary tract infections. C) contaminated milk and meat. D) "flesh-eating" bacterial infections. E) food poisoning from rice.