Lymphocytes called __________ T cells attack and kill body cells infected with viruses, bacteria, or parasites.
Fill in the blank(s) with the appropriate word(s).
cytotoxic or killer
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Coughing can be controlled with ______________
Fill in the blank(s) with correct word
The digestive functions performed by saliva and salivary amylase respectively are ________.
A. peristalsis and polysaccharide digestion B. flushing and protein digestion C. moistening and starch digestion D. swallowing and lipid digestion E. None of the choices are correct.
________ structure results primarily from hydrophobic and hydrophilic interactions between the R-groups of the polypeptide chain and water
A) Primary B) Secondary C) Tertiary D) Quaternary E) Pentanary
Which of the following is correct?
A) Most of the ATP are produced by substrate-level phosphorylation. B) Oxidation of FADH2 eventually yields four ATP via oxidative phosphorylation. C) Glycolysis relies on substrate-level oxidation for the four ATP produced in this pathway. D) Most ATP from cellular respiration are produced directly in the Krebs cycle.