Adipose tissue stores
a. protein
b. fat
c. water
Ans: b. fat
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You transform bacteria with a plasmid carrying the ampicillin-resistance gene ampR. How would you determine which bacteria took up the plasmid?
A. Bacteria containing the plasmid would be able to grow in the absence of ampicillin. B. Bacteria containing the plasmid would be able to produce ampicillin. C. Bacteria containing the plasmid would turn blue. D. Bacteria containing the plasmid would be able to grow in the presence of ampicillin. E. Ampicillin-resistance is necessary for the plasmid DNA to get into the bacteria.
Wheat is a group of grass species. Cultivation originated in the eastern Mediterranean about 10,000 years ago
In comparison to closely related wild grasses, cultivated wheat has shorter stalks and fewer, larger seeds that are firmly attached to the stalk and are unable to disperse via wind like other grasses. Which of the following provides an explanation as to why wheat is so successful despite the loss of seed dispersal? A. Wheat seeds are dropped below the parent plant and will grow the following season. This maintains the worldwide distribution of wheat. B. Wheat seeds are collected and dispersed by humans. Their worldwide distribution increases every time a new field of wheat is planted. C. Wheat seeds have evolved to be consumed by animals. Wheat seeds no longer rely on wind as its dispersal mechanism. D. Wheat seeds are not required for reproduction. Because it is a grass species, it has asexual reproduction.
Based on the colligative properties of water, what would happen if one were to add a solute to water?
A. The freezing point of water would decrease. B. The freezing point of water would increase. C. The boiling point of water would increase. D. Both the freezing point of water would decrease and the boiling point of water would increase. E. Nothing would change with respect to the freezing point or boiling point of water.
Match the following lymphatic organs to the proper function
A) Red bone marrow 1) site of T cell maturation B) Lymph nodes 2) help prevent the entrance of pathogens through the nose and mouth. C) Thymus 3) cleanse the blood and storage of lymphocytes D) Spleen 4) cleanse the lymph and alert the immune system to pathogens E) Tonsils 5) site of blood cell production