________ is used as a counterstain to color the _____ _____.
Fill in the blank(s) with the appropriate word(s).
Safranin, vegetative cells
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The genotypes of two F1 plants are SsYy, with S and Y alleles dominant to s and y. If fertilization occurs at random ____________________ (number) genotypes and ____________________ (number) phenotypes will result in the F2 generation
Fill in the blank(s) with correct word
Which of the following uses ssDNA as the genome?
A. Herpesvirus B. Poliovirus C. Poxvirus D. Parvovirus
Areas of the body such as the lips or fingers are represented by ____ regions and arms and legs are
represented by relatively _____ regions.
a. large; small b. small; large c. motor; sensory d. sensory; motor e. cerebellum; brain stem
An aphid is an insect that has mouthparts to sip plant sap. When placed on an herbaceous stem, it soon has its mouthparts embedded and is withdrawing plant sap. Sometimes so much plant sap is taken that it cannot use all of it and the aphid secretes droplets of the sugar to attract ants that in turn protect and care for the aphids. What layer of cells has the aphid's mouthparts tapped?
What will be an ideal response?