Which organelle is correctly matched with its function?
a. vacuoles: production of ATP from carbohydrates
b. rough ER: synthesis of plasma membrane proteins
c. Golgi bodies: synthesis of membrane phospholipids
d. mitochondria: capture of light for photosynthesis
e. smooth ER: digestion of invading bacteria
ANSWER: b
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Refer to the paragraph on the Venter et al. paper and the table above. How do you think expected genes were placed into the categories shown in the preceding table?
A) by searching for open reading frames (ORFs), especially those with translation start and stop sites B) by searching for matches, especially of the predicted gene products, with previously identified gene products of known function C) by expressing the cloned genes in E. coli and then running biochemical analyses of the products D) by searching for similarity between ORFs and those in existing databases
Which organ is responsible for the synthesis of ketones from fatty acids?
A. liver B. stomach C. heart D. brain E. kidney
A(n) ____ taxies foreign DNA into a host cell that can divide rapidly
a. primer b. intron c. DNA clone d. exon e. codon
Why do we have storage macromolecules, such as fats, in our bodies?
A. Macromolecules, such as fats, are a convenient way to store kinetic energy. B. We can break down these macromolecules to provide energy for the endergonic reactions in our bodies. C. Breaking down macromolecules, such as fats, is an endergonic process. D. Human cells can directly capture the energy of sunlight through photosynthesis and store it as macromolecules such as fats.