A measure of the ability of a population to grow under ideal circumstances (maximum birth rate and minimum death rate) is its ________
Fill in the blank(s) with correct word
biotic potential
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A scientist does not have an antibody to detect the protein of interest, but wants to know if the gene is expressed at low levels. What technique could the researcher use to detect, but not quantify the expression of the gene of interest?
A. Western Blotting B. real-time PCR C. cloning D. reverse transcriptase PCR
Who is considered to be the father of modern antibiotics?
A. Domagk B. Watson C. Chargaff D. Crick E. Fleming
Alexander Fleming had been running tests using Staphylococcus, and he left some plates out to incubate. Evidently, after returning to his lab after the weekend, he found that Penicillium mold was growing on his agar plates containing the growth of Staphylococcus. Looking more closely, he found a large, clear area around the mold colony where Staphylococcus colonies did not grow. Given this situation, a valid hypothesis would be that
A. the bacteriological medium being used in the plates was somehow inhibitory to the Staphylococcus growth. B. the room temperature incubation was inhibitory to the growth of Staphylococcus. C. the Staphylococcus was being inhibited by the Penicillium mold. D. the Penicillium mold was being killed by the Staphylococcus.
What is the difference between mitochondria and chloroplasts?
A. Mitochondria are oxidative metabolic bacteria derivatives and chloroplasts are photosynthetic bacteria derivatives. B. Mitochondria have linear strands of DNA and chloroplasts have rings of DNA. C. Mitochondria have three membranes and chloroplasts have two membranes. D. Mitochondria produce oxygen and chloroplasts produce carbon dioxide.