The chromic acid keeps turning dark after using only two or three times. This could most likely be corrected in the future by:
a) allowing more time in the xylene
b) increasing the time in the alcohols
c) checking the concentration of the chromic acid solution
d) ensuring the complete removal of alcohol prior to chromic acid
Answer: d) ensuring the complete removal of alcohol prior to chromic acid
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Place these genes in their temporal order of expression from earliest to latest during Drosophila development.
A. Bicoid, Gap, Homeotic B. Homeotic, Gap, Bicoid C. Homeotic, Bicoid , Gap D. These genes are not expressed at different times during development. They are expressed at the same time, but in a different spatial order. E. Kruppel, gooseberry, even-skipped
Which of these hormones is most likely to directly cause a drop in blood pressure?
a) aldosterone b) antidiurectic hormone (ADH) c) erythropoietin d) atrial natriurectic hormone
Which stage in cellular respiration directly requires the presence of O2?
A. Glycolysis B. The Krebs cycle C. Electron transport D. Both a and b are correct.
________ is used by white blood cells to consume large particles such as bacteria
Fill in the blank(s) with correct word