Hemophilia is an X-linked trait caused by the allele h. About 1 in 10,000 males (.0001) has
hemophilia. The frequency of h, therefore, is ____________________. Fill in the blank(s) with the appropriate word(s).
ANS: .0001
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You need to determine if a pure culture of bacteria is gram-positive or gram-negative, but you've just spilled your only solution of crystal violet so you can't do a Gram stain. You decide to try a lysozyme treatment on a sample of each culture and then examine the samples under the microscope. The expected result is
A. gram-positives will lyse and appears as debris; gram-negatives will lose cellular morphology and appear as cocci. B. gram-negatives will lyse and appears as debris; gram-positives will be unaffected. C. gram-negatives will lyse and appears as debris; gram-positives will lose cellular morphology and appear as cocci. D. gram-positives will lyse and appears as debris; gram-negatives will lyse but more slowly. E. gram-positives will lyse and appears as debris; gram-negatives will be unaffected.
The glandular secretions involved in digestion that would most likely be released as inactive precursors are
A. acid-neutralizing bicarbonate B. protein-digesting enzymes C. fat-solubilizing bile salts D. carbohydrate-digesting enzymes
Impairments of the kidney that are considered short term and possibly can be overcome by medication or other treatments are called chronic renal failure
Indicate whether the statement is true or false
What process releases urine from the bladder?
A) filtration B) excretion C) micturition D) nephronation