The test tube in the photograph contains water at the bottom and another substance that has been stained with Sudan IV at the top. What is the macromolecular composition of this stained substance?
What will be an ideal response?
Lipid
Biology & Microbiology
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In their studies of learning in Aplysia, the primary behavioral focus of Eric Kandel and his colleagues was on
A. feeding. B. the gill-withdrawal reflex. C. aggression. D. sexual behavior. E. locomotion.
Biology & Microbiology
Which of the following are seed plants?
a. cycads b. ginkgoes c. conifers d. angiosperms e. all of these
Biology & Microbiology
Which organ present in crocodiles is most like that of birds?
a. lungs b. kidneys c. heart d. eyes e. skin
Biology & Microbiology
The two copies of each type of chromosome found in normal somatic (body) cells in an organism, throughout the cell cycle, are called:
A. Homologous chromosomes B. Daughter chromosomes C. Kinetochores D. Sister chromatids
Biology & Microbiology