A solid waste (garbage) transfer facility that sorts and breaks down garbage into recyclables and waste to be thrown away in the landfill would be a suitable analogy for which cellular organelle?
a. smooth ER
b. rough ER
c. lysosome
d. nucleus
Answer: c. lysosome
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After several generations of artificial selective breeding, a plateau is reached where artificial selection is no longer effective. This is called the _______
A. realized limit B. realized heritability C. selection coefficient D. selection limit
Describe the process of alternation of generations in plants
What will be an ideal response?
Which of the following is not a component of HIV?
a. RNA b. Proteins c. Reverse Transcriptase d. Ribosomes
Why can scratching or chipping the seed coat speed up the germination of hard-coated seeds like alfalfa?
A. The mechanical stress activates hydrolytic enzymes. B. Carbon dioxide can enter the seed and stimulate photosynthesis. C. Water and oxygen can enter the seed to reach the embryo more quickly. D. Damage to the seed coat triggers the aleurone layer to release amylase. E. Bacteria or fungi can enter the seed and release growth factors.