Month: December 2015

First Five December 10/11

A cell undergoing mitosis, a form of asexual reproduction, divides.  The original parent cell had 20 chromosomes.  How many chromosomes did each of the two resulting daughter cells contain? How does the DNA found in the nucleus control all cell activities?

Posted in Biology, First Fives

APES QOD December 10

Which of the following statements best describes the concept of phytoremediation? A. The use of plants to absorb and accumulate toxic materials from the soil B. The concentration of toxic material in the tissue of organisms as they move through successive

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First Five December 8/9

What percentage of adenine molecules is present in a DNA molecule of 1000 bases, if 200 of the base molecules are cytosine? What is the correct sequence of anticodons in the tRNA molecules that would arise from a section of

Posted in Biology, First Fives

APES QOD December 8

An advantage of recycling aluminum rather than disposing of it in landfills is that aluminum can be A. Produced from recycled metal using much less energy than is required for its production from aluminum ore B. Produced from ore that

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APES QOD December 7

Which of the following laws gave the EPA the authority to control hazardous waste from “cradle to grave”, including the generation, transportation, treatment, storage, and disposal of hazardous waste? A. Resource Conservation and Recovery Act (RCRA) B. Endangered Species Act

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First Five December 7

What does the m in mRNA stand for?  How does it explain its function? What does the t in tRNA stand for? How does it explain its function? What has to happen for the process below to work?

Posted in Biology, First Fives

APES QOD December 3

Q: In the US, most municipal solid waste is disposed of by a. Composting b. Recycling c. Incineration d. Ocean Dumping e. Land filling

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First Five December 3/4

What is the building block of a protein?  Which organelle has the function of assembling proteins? DNA is located in which organelle? What does the nucleotide sequence in DNA code for?

Posted in Biology, First Fives